From ce3b6703c153ba5c827996bfa8fd9bfa85fe2adb Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Thu, 8 Oct 2015 16:02:17 +0200
Subject: Remove unneeded id field from {en,sl}.py files

---
 prolog/problems/clp_fd/gcd_3/en.py                           | 1 -
 prolog/problems/clp_fd/magic_1/en.py                         | 1 -
 prolog/problems/clp_fd/puzzle_abc_3/en.py                    | 1 -
 prolog/problems/clp_fd/puzzle_beth_1/en.py                   | 1 -
 prolog/problems/clp_fd/puzzle_momson_2/en.py                 | 1 -
 prolog/problems/clp_fd/puzzle_ratio_2/en.py                  | 1 -
 prolog/problems/clp_fd/tobase_3/en.py                        | 1 -
 prolog/problems/clp_r/bounding_box_3/en.py                   | 1 -
 prolog/problems/clp_r/center_3/en.py                         | 1 -
 prolog/problems/clp_r/linear_opt_3/en.py                     | 1 -
 prolog/problems/clp_r/max_sum_2/en.py                        | 1 -
 prolog/problems/clp_r/megabytes_2/en.py                      | 1 -
 prolog/problems/clp_r/turkey_3/en.py                         | 1 -
 prolog/problems/dcg/ab_2/en.py                               | 1 -
 prolog/problems/dcg/digit_2/en.py                            | 1 -
 prolog/problems/dcg/expr_2/en.py                             | 1 -
 prolog/problems/dcg/expr_3/en.py                             | 1 -
 prolog/problems/dcg/flower_2/en.py                           | 1 -
 prolog/problems/dcg/number_2/en.py                           | 1 -
 prolog/problems/dcg/number_3/en.py                           | 1 -
 prolog/problems/dcg/number_proper_2/en.py                    | 1 -
 prolog/problems/dcg/paren_2/en.py                            | 1 -
 prolog/problems/dcg/paren_3/en.py                            | 1 -
 prolog/problems/denotational_semantics/algol_3/en.py         | 1 -
 prolog/problems/denotational_semantics/algol_for_3/en.py     | 1 -
 prolog/problems/denotational_semantics/algol_if_3/en.py      | 1 -
 prolog/problems/denotational_semantics/prog_8puzzle_2/en.py  | 1 -
 prolog/problems/denotational_semantics/prog_8puzzle_3/en.py  | 1 -
 prolog/problems/denotational_semantics/prog_listswap_2/en.py | 1 -
 prolog/problems/denotational_semantics/prog_listswap_3/en.py | 1 -
 prolog/problems/family_relations/ancestor_2/en.py            | 1 -
 prolog/problems/family_relations/ancestor_2/sl.py            | 1 -
 prolog/problems/family_relations/aunt_2/en.py                | 1 -
 prolog/problems/family_relations/aunt_2/sl.py                | 1 -
 prolog/problems/family_relations/brother_2/en.py             | 1 -
 prolog/problems/family_relations/brother_2/sl.py             | 1 -
 prolog/problems/family_relations/connected_3/en.py           | 1 -
 prolog/problems/family_relations/cousin_2/en.py              | 1 -
 prolog/problems/family_relations/cousin_2/sl.py              | 1 -
 prolog/problems/family_relations/descendant_2/en.py          | 1 -
 prolog/problems/family_relations/descendant_2/sl.py          | 1 -
 prolog/problems/family_relations/father_2/en.py              | 1 -
 prolog/problems/family_relations/father_2/sl.py              | 1 -
 prolog/problems/family_relations/grandparent_2/en.py         | 1 -
 prolog/problems/family_relations/grandparent_2/sl.py         | 1 -
 prolog/problems/family_relations/mother_2/en.py              | 1 -
 prolog/problems/family_relations/mother_2/sl.py              | 1 -
 prolog/problems/family_relations/sister_2/en.py              | 1 -
 prolog/problems/family_relations/sister_2/sl.py              | 1 -
 prolog/problems/license_plates/checklicenseplate_3/en.py     | 1 -
 prolog/problems/license_plates/firstminus_2/en.py            | 1 -
 prolog/problems/license_plates/genexp_2/en.py                | 1 -
 prolog/problems/license_plates/getdigits_2/en.py             | 1 -
 prolog/problems/license_plates/joindigits_2/en.py            | 1 -
 prolog/problems/lists/conc_3/en.py                           | 1 -
 prolog/problems/lists/count_3/en.py                          | 1 -
 prolog/problems/lists/del_3/en.py                            | 1 -
 prolog/problems/lists/divide_3/en.py                         | 1 -
 prolog/problems/lists/dup_2/en.py                            | 1 -
 prolog/problems/lists/evenlen_1_+_oddlen_1/en.py             | 1 -
 prolog/problems/lists/insert_3/en.py                         | 1 -
 prolog/problems/lists/len_2/en.py                            | 1 -
 prolog/problems/lists/max_2/en.py                            | 1 -
 prolog/problems/lists/memb_2/en.py                           | 1 -
 prolog/problems/lists/min_2/en.py                            | 1 -
 prolog/problems/lists/palindrome_1/en.py                     | 1 -
 prolog/problems/lists/permute_2/en.py                        | 1 -
 prolog/problems/lists/rev_2/en.py                            | 1 -
 prolog/problems/lists/shiftleft_2/en.py                      | 1 -
 prolog/problems/lists/shiftright_2/en.py                     | 1 -
 prolog/problems/lists/sublist_2/en.py                        | 1 -
 prolog/problems/lists/sum_2/en.py                            | 1 -
 prolog/problems/old_exams/pascal_3/en.py                     | 1 -
 prolog/problems/other/genlist_4/en.py                        | 1 -
 prolog/problems/sets/diff_3/en.py                            | 1 -
 prolog/problems/sets/intersect_3/en.py                       | 1 -
 prolog/problems/sets/is_subset_2/en.py                       | 1 -
 prolog/problems/sets/is_superset_2/en.py                     | 1 -
 prolog/problems/sets/powerset_2/en.py                        | 1 -
 prolog/problems/sets/subset_2/en.py                          | 1 -
 prolog/problems/sets/union_3/en.py                           | 1 -
 prolog/problems/sorting/is_sorted_1/en.py                    | 1 -
 prolog/problems/sorting/isort_2/en.py                        | 1 -
 prolog/problems/sorting/pivoting_4/en.py                     | 1 -
 prolog/problems/sorting/quick_sort_2/en.py                   | 1 -
 prolog/problems/sorting/sins_3/en.py                         | 1 -
 prolog/problems/sorting/slowest_sort_ever_2/en.py            | 1 -
 prolog/problems/trees/deletebt_3/en.py                       | 1 -
 prolog/problems/trees/depthbt_2/en.py                        | 1 -
 prolog/problems/trees/insertbt_3/en.py                       | 1 -
 prolog/problems/trees/maxt_2/en.py                           | 1 -
 prolog/problems/trees/memberbt_2/en.py                       | 1 -
 prolog/problems/trees/membert_2/en.py                        | 1 -
 prolog/problems/trees/mirrorbt_2/en.py                       | 1 -
 prolog/problems/trees/numberbt_2/en.py                       | 1 -
 prolog/problems/trees/tolistbt_2/en.py                       | 1 -
 python/problems/functions/greatest/en.py                     | 1 -
 python/problems/functions/greatest/sl.py                     | 1 -
 python/problems/functions/greatest_absolutist/en.py          | 1 -
 python/problems/functions/greatest_absolutist/sl.py          | 1 -
 python/problems/functions/greatest_negative/en.py            | 1 -
 python/problems/functions/greatest_negative/sl.py            | 1 -
 python/problems/introduction/average/en.py                   | 1 -
 python/problems/introduction/average/sl.py                   | 1 -
 python/problems/introduction/ballistics/en.py                | 1 -
 python/problems/introduction/ballistics/sl.py                | 1 -
 python/problems/introduction/fahrenheit_to_celsius/en.py     | 1 -
 python/problems/introduction/fahrenheit_to_celsius/sl.py     | 1 -
 python/problems/introduction/fast_fingers/en.py              | 1 -
 python/problems/introduction/fast_fingers/sl.py              | 1 -
 python/problems/introduction/fast_fingers_2/en.py            | 1 -
 python/problems/introduction/fast_fingers_2/sl.py            | 1 -
 python/problems/introduction/pythagorean_theorem/en.py       | 1 -
 python/problems/introduction/pythagorean_theorem/sl.py       | 1 -
 python/problems/lists_and_for/contains_42/en.py              | 1 -
 python/problems/lists_and_for/contains_42/sl.py              | 1 -
 python/problems/lists_and_for/contains_string/en.py          | 1 -
 python/problems/lists_and_for/contains_string/sl.py          | 1 -
 python/problems/lists_and_for/counting/en.py                 | 1 -
 python/problems/lists_and_for/counting/sl.py                 | 1 -
 python/problems/lists_and_for/divisors/en.py                 | 1 -
 python/problems/lists_and_for/divisors/sl.py                 | 1 -
 python/problems/while_and_if/buy_five/en.py                  | 1 -
 python/problems/while_and_if/buy_five/sl.py                  | 1 -
 python/problems/while_and_if/checking_account/en.py          | 1 -
 python/problems/while_and_if/checking_account/sl.py          | 1 -
 python/problems/while_and_if/competition/en.py               | 1 -
 python/problems/while_and_if/competition/sl.py               | 1 -
 python/problems/while_and_if/consumers_anonymous/en.py       | 1 -
 python/problems/while_and_if/consumers_anonymous/sl.py       | 1 -
 python/problems/while_and_if/minimax/en.py                   | 1 -
 python/problems/while_and_if/minimax/sl.py                   | 1 -
 python/problems/while_and_if/top_shop/en.py                  | 1 -
 python/problems/while_and_if/top_shop/sl.py                  | 1 -
 robot/problems/introduction/forward/en.py                    | 1 -
 robot/problems/introduction/forward/sl.py                    | 1 -
 136 files changed, 136 deletions(-)

diff --git a/prolog/problems/clp_fd/gcd_3/en.py b/prolog/problems/clp_fd/gcd_3/en.py
index d6c92b7..7953eb1 100644
--- a/prolog/problems/clp_fd/gcd_3/en.py
+++ b/prolog/problems/clp_fd/gcd_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 149
 name = 'gcd/3'
 slug = 'greatest common divisor'
 
diff --git a/prolog/problems/clp_fd/magic_1/en.py b/prolog/problems/clp_fd/magic_1/en.py
index 04c1481..c8b5a1a 100644
--- a/prolog/problems/clp_fd/magic_1/en.py
+++ b/prolog/problems/clp_fd/magic_1/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 151
 name = 'magic/1'
 slug = 'generate a 3x3 magic square'
 
diff --git a/prolog/problems/clp_fd/puzzle_abc_3/en.py b/prolog/problems/clp_fd/puzzle_abc_3/en.py
index 3d70715..899b428 100644
--- a/prolog/problems/clp_fd/puzzle_abc_3/en.py
+++ b/prolog/problems/clp_fd/puzzle_abc_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 153
 name = 'puzzle_abc/3'
 slug = 'age puzzle: abc'
 
diff --git a/prolog/problems/clp_fd/puzzle_beth_1/en.py b/prolog/problems/clp_fd/puzzle_beth_1/en.py
index fed373c..3dea18c 100644
--- a/prolog/problems/clp_fd/puzzle_beth_1/en.py
+++ b/prolog/problems/clp_fd/puzzle_beth_1/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 155
 name = 'puzzle_beth/1'
 slug = 'age puzzle: beth'
 
diff --git a/prolog/problems/clp_fd/puzzle_momson_2/en.py b/prolog/problems/clp_fd/puzzle_momson_2/en.py
index cf97abf..b9b26cb 100644
--- a/prolog/problems/clp_fd/puzzle_momson_2/en.py
+++ b/prolog/problems/clp_fd/puzzle_momson_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 152
 name = 'puzzle_momson/2'
 slug = 'age puzzle: mom & son'
 
diff --git a/prolog/problems/clp_fd/puzzle_ratio_2/en.py b/prolog/problems/clp_fd/puzzle_ratio_2/en.py
index 28fc999..2cb3039 100644
--- a/prolog/problems/clp_fd/puzzle_ratio_2/en.py
+++ b/prolog/problems/clp_fd/puzzle_ratio_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 154
 name = 'puzzle_ratio/2'
 slug = 'age puzzle: ratio'
 
diff --git a/prolog/problems/clp_fd/tobase_3/en.py b/prolog/problems/clp_fd/tobase_3/en.py
index a778ccb..c05ab2a 100644
--- a/prolog/problems/clp_fd/tobase_3/en.py
+++ b/prolog/problems/clp_fd/tobase_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 150
 name = 'tobase/3'
 slug = 'convert numbers from/to the decimal system'
 
diff --git a/prolog/problems/clp_r/bounding_box_3/en.py b/prolog/problems/clp_r/bounding_box_3/en.py
index 714f8a4..8c6a9f7 100644
--- a/prolog/problems/clp_r/bounding_box_3/en.py
+++ b/prolog/problems/clp_r/bounding_box_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 157
 name = 'bounding_box/3'
 slug = 'find the smallest bounding box'
 
diff --git a/prolog/problems/clp_r/center_3/en.py b/prolog/problems/clp_r/center_3/en.py
index 2c1f882..ae5aeb8 100644
--- a/prolog/problems/clp_r/center_3/en.py
+++ b/prolog/problems/clp_r/center_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 158
 name = 'center/3'
 slug = 'find central points'
 
diff --git a/prolog/problems/clp_r/linear_opt_3/en.py b/prolog/problems/clp_r/linear_opt_3/en.py
index 58530a9..848a30d 100644
--- a/prolog/problems/clp_r/linear_opt_3/en.py
+++ b/prolog/problems/clp_r/linear_opt_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 159
 name = 'linear_opt/3'
 slug = 'linear optimization'
 
diff --git a/prolog/problems/clp_r/max_sum_2/en.py b/prolog/problems/clp_r/max_sum_2/en.py
index 6d0c1d2..eeff4cd 100644
--- a/prolog/problems/clp_r/max_sum_2/en.py
+++ b/prolog/problems/clp_r/max_sum_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 156
 name = 'max_sum/2'
 slug = 'find maximal adjacent elements'
 
diff --git a/prolog/problems/clp_r/megabytes_2/en.py b/prolog/problems/clp_r/megabytes_2/en.py
index cb355f1..01fdfff 100644
--- a/prolog/problems/clp_r/megabytes_2/en.py
+++ b/prolog/problems/clp_r/megabytes_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 160
 name = 'megabytes/2'
 slug = 'convert mebibytes to megabytes'
 
diff --git a/prolog/problems/clp_r/turkey_3/en.py b/prolog/problems/clp_r/turkey_3/en.py
index b6e1d55..979033d 100644
--- a/prolog/problems/clp_r/turkey_3/en.py
+++ b/prolog/problems/clp_r/turkey_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 161
 name = 'turkey/3'
 slug = 'turkey feed'
 
diff --git a/prolog/problems/dcg/ab_2/en.py b/prolog/problems/dcg/ab_2/en.py
index 20c8317..4dd81a5 100644
--- a/prolog/problems/dcg/ab_2/en.py
+++ b/prolog/problems/dcg/ab_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 162
 name = 'ab/2'
 slug = 'a*b*'
 
diff --git a/prolog/problems/dcg/digit_2/en.py b/prolog/problems/dcg/digit_2/en.py
index 3172a21..80b7be0 100644
--- a/prolog/problems/dcg/digit_2/en.py
+++ b/prolog/problems/dcg/digit_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 164
 name = 'digit/2'
 slug = 'a decimal digit'
 
diff --git a/prolog/problems/dcg/expr_2/en.py b/prolog/problems/dcg/expr_2/en.py
index d4b0dc9..88f1731 100644
--- a/prolog/problems/dcg/expr_2/en.py
+++ b/prolog/problems/dcg/expr_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 170
 name = 'expr/2'
 slug = 'arithmetic expressions'
 
diff --git a/prolog/problems/dcg/expr_3/en.py b/prolog/problems/dcg/expr_3/en.py
index 659503d..298ebeb 100644
--- a/prolog/problems/dcg/expr_3/en.py
+++ b/prolog/problems/dcg/expr_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 171
 name = 'expr/3'
 slug = 'arithmetic expressions with meaning'
 
diff --git a/prolog/problems/dcg/flower_2/en.py b/prolog/problems/dcg/flower_2/en.py
index 0267278..e7272c5 100644
--- a/prolog/problems/dcg/flower_2/en.py
+++ b/prolog/problems/dcg/flower_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 163
 name = 'flower/2'
 slug = 'words like +++--+++'
 
diff --git a/prolog/problems/dcg/number_2/en.py b/prolog/problems/dcg/number_2/en.py
index 8e88655..29a4366 100644
--- a/prolog/problems/dcg/number_2/en.py
+++ b/prolog/problems/dcg/number_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 165
 name = 'number/2'
 slug = 'numbers with potential leading zeros'
 
diff --git a/prolog/problems/dcg/number_3/en.py b/prolog/problems/dcg/number_3/en.py
index b73e16d..c2f9c3d 100644
--- a/prolog/problems/dcg/number_3/en.py
+++ b/prolog/problems/dcg/number_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 167
 name = 'number/3'
 slug = 'numbers with meaning'
 
diff --git a/prolog/problems/dcg/number_proper_2/en.py b/prolog/problems/dcg/number_proper_2/en.py
index 81ca5f6..8580ab7 100644
--- a/prolog/problems/dcg/number_proper_2/en.py
+++ b/prolog/problems/dcg/number_proper_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 166
 name = 'number_proper/2'
 slug = 'numbers without leading zeros'
 
diff --git a/prolog/problems/dcg/paren_2/en.py b/prolog/problems/dcg/paren_2/en.py
index 268b774..3041a67 100644
--- a/prolog/problems/dcg/paren_2/en.py
+++ b/prolog/problems/dcg/paren_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 168
 name = 'paren/2'
 slug = 'properly nested parens'
 
diff --git a/prolog/problems/dcg/paren_3/en.py b/prolog/problems/dcg/paren_3/en.py
index 737f0ef..56519ff 100644
--- a/prolog/problems/dcg/paren_3/en.py
+++ b/prolog/problems/dcg/paren_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 169
 name = 'paren/3'
 slug = 'properly nested parens with meaning'
 
diff --git a/prolog/problems/denotational_semantics/algol_3/en.py b/prolog/problems/denotational_semantics/algol_3/en.py
index 5c79c41..c5da13e 100644
--- a/prolog/problems/denotational_semantics/algol_3/en.py
+++ b/prolog/problems/denotational_semantics/algol_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 176
 name = 'algol/3'
 slug = 'interpreter for mini-algol'
 
diff --git a/prolog/problems/denotational_semantics/algol_for_3/en.py b/prolog/problems/denotational_semantics/algol_for_3/en.py
index 53e5e2b..d4b8144 100644
--- a/prolog/problems/denotational_semantics/algol_for_3/en.py
+++ b/prolog/problems/denotational_semantics/algol_for_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 178
 name = 'algol_for/3'
 slug = 'interpreter for mini-algol with for-statement'
 
diff --git a/prolog/problems/denotational_semantics/algol_if_3/en.py b/prolog/problems/denotational_semantics/algol_if_3/en.py
index f4ae00a..fae6c45 100644
--- a/prolog/problems/denotational_semantics/algol_if_3/en.py
+++ b/prolog/problems/denotational_semantics/algol_if_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 177
 name = 'algol_if/3'
 slug = 'interpreter for mini-algol with if-statement'
 
diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_2/en.py b/prolog/problems/denotational_semantics/prog_8puzzle_2/en.py
index d43a837..fc49742 100644
--- a/prolog/problems/denotational_semantics/prog_8puzzle_2/en.py
+++ b/prolog/problems/denotational_semantics/prog_8puzzle_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 172
 name = 'prog_8puzzle/2'
 slug = '8-puzzle-solving language'
 
diff --git a/prolog/problems/denotational_semantics/prog_8puzzle_3/en.py b/prolog/problems/denotational_semantics/prog_8puzzle_3/en.py
index 346d579..1c23b18 100644
--- a/prolog/problems/denotational_semantics/prog_8puzzle_3/en.py
+++ b/prolog/problems/denotational_semantics/prog_8puzzle_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 173
 name = 'prog_8puzzle/3'
 slug = '8-puzzle-solving language with semantics'
 
diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/en.py b/prolog/problems/denotational_semantics/prog_listswap_2/en.py
index 2cf8fff..0f8e038 100644
--- a/prolog/problems/denotational_semantics/prog_listswap_2/en.py
+++ b/prolog/problems/denotational_semantics/prog_listswap_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 175
 name = 'prog_listswap/2'
 slug = 'list-manipulation language'
 
diff --git a/prolog/problems/denotational_semantics/prog_listswap_3/en.py b/prolog/problems/denotational_semantics/prog_listswap_3/en.py
index 88a927a..5e85ce6 100644
--- a/prolog/problems/denotational_semantics/prog_listswap_3/en.py
+++ b/prolog/problems/denotational_semantics/prog_listswap_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 174
 name = 'prog_listswap/3'
 slug = 'list-manipulation language with semantics'
 
diff --git a/prolog/problems/family_relations/ancestor_2/en.py b/prolog/problems/family_relations/ancestor_2/en.py
index b390705..29fb253 100644
--- a/prolog/problems/family_relations/ancestor_2/en.py
+++ b/prolog/problems/family_relations/ancestor_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 100
 name = 'ancestor/2'
 slug = 'the ancestor relation'
 
diff --git a/prolog/problems/family_relations/ancestor_2/sl.py b/prolog/problems/family_relations/ancestor_2/sl.py
index 76c2bea..d74ccc5 100644
--- a/prolog/problems/family_relations/ancestor_2/sl.py
+++ b/prolog/problems/family_relations/ancestor_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 100
 name = 'ancestor/2'
 slug = 'X je prednik od Y'
 
diff --git a/prolog/problems/family_relations/aunt_2/en.py b/prolog/problems/family_relations/aunt_2/en.py
index 8d20d7e..25cac41 100644
--- a/prolog/problems/family_relations/aunt_2/en.py
+++ b/prolog/problems/family_relations/aunt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 98
 name = 'aunt/2'
 slug = 'the aunt relation'
 
diff --git a/prolog/problems/family_relations/aunt_2/sl.py b/prolog/problems/family_relations/aunt_2/sl.py
index 95fc6b2..2bf0ef6 100644
--- a/prolog/problems/family_relations/aunt_2/sl.py
+++ b/prolog/problems/family_relations/aunt_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 98
 name = 'aunt/2'
 slug = 'X je teta od Y'
 
diff --git a/prolog/problems/family_relations/brother_2/en.py b/prolog/problems/family_relations/brother_2/en.py
index 709b077..2daf78f 100644
--- a/prolog/problems/family_relations/brother_2/en.py
+++ b/prolog/problems/family_relations/brother_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 97
 name = 'brother/2'
 slug = 'the brother relation'
 
diff --git a/prolog/problems/family_relations/brother_2/sl.py b/prolog/problems/family_relations/brother_2/sl.py
index f945026..96c6126 100644
--- a/prolog/problems/family_relations/brother_2/sl.py
+++ b/prolog/problems/family_relations/brother_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 97
 name = 'brother/2'
 slug = 'X je brat od Y'
 
diff --git a/prolog/problems/family_relations/connected_3/en.py b/prolog/problems/family_relations/connected_3/en.py
index 5fe8edb..f50d60e 100644
--- a/prolog/problems/family_relations/connected_3/en.py
+++ b/prolog/problems/family_relations/connected_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 102
 name = 'connected/3'
 slug = 'check if two people are connected in the family tree'
 
diff --git a/prolog/problems/family_relations/cousin_2/en.py b/prolog/problems/family_relations/cousin_2/en.py
index 1399013..cf628db 100644
--- a/prolog/problems/family_relations/cousin_2/en.py
+++ b/prolog/problems/family_relations/cousin_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 99
 name = 'cousin/2'
 slug = 'the cousin relation'
 
diff --git a/prolog/problems/family_relations/cousin_2/sl.py b/prolog/problems/family_relations/cousin_2/sl.py
index ebecf8d..7e3e7f0 100644
--- a/prolog/problems/family_relations/cousin_2/sl.py
+++ b/prolog/problems/family_relations/cousin_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 99
 name = 'cousin/2'
 slug = 'X je bratranec ali sestrična od Y'
 
diff --git a/prolog/problems/family_relations/descendant_2/en.py b/prolog/problems/family_relations/descendant_2/en.py
index b0fccf2..74360f3 100644
--- a/prolog/problems/family_relations/descendant_2/en.py
+++ b/prolog/problems/family_relations/descendant_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 101
 name = 'descendant/2'
 slug = 'the descendant relation'
 
diff --git a/prolog/problems/family_relations/descendant_2/sl.py b/prolog/problems/family_relations/descendant_2/sl.py
index fb60e76..5e81d26 100644
--- a/prolog/problems/family_relations/descendant_2/sl.py
+++ b/prolog/problems/family_relations/descendant_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 101
 name = 'descendant/2'
 slug = 'the descendant relation'
 
diff --git a/prolog/problems/family_relations/father_2/en.py b/prolog/problems/family_relations/father_2/en.py
index 59857a8..722c016 100644
--- a/prolog/problems/family_relations/father_2/en.py
+++ b/prolog/problems/family_relations/father_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 181
 name = 'mother/2'
 slug = 'the mother-child relation'
 
diff --git a/prolog/problems/family_relations/father_2/sl.py b/prolog/problems/family_relations/father_2/sl.py
index 67bf764..178fbc6 100644
--- a/prolog/problems/family_relations/father_2/sl.py
+++ b/prolog/problems/family_relations/father_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 181
 name = 'father/2'
 slug = 'X je oče od Y'
 
diff --git a/prolog/problems/family_relations/grandparent_2/en.py b/prolog/problems/family_relations/grandparent_2/en.py
index 6fdeb70..c181ab5 100644
--- a/prolog/problems/family_relations/grandparent_2/en.py
+++ b/prolog/problems/family_relations/grandparent_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 95
 name = 'grandparent/2'
 slug = 'the grandparent relation'
 
diff --git a/prolog/problems/family_relations/grandparent_2/sl.py b/prolog/problems/family_relations/grandparent_2/sl.py
index 35ff49e..a4440a6 100644
--- a/prolog/problems/family_relations/grandparent_2/sl.py
+++ b/prolog/problems/family_relations/grandparent_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 95
 name = 'grandparent/2'
 slug = 'X je dedek ali babica od Y'
 
diff --git a/prolog/problems/family_relations/mother_2/en.py b/prolog/problems/family_relations/mother_2/en.py
index 108bb9b..722c016 100644
--- a/prolog/problems/family_relations/mother_2/en.py
+++ b/prolog/problems/family_relations/mother_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 94
 name = 'mother/2'
 slug = 'the mother-child relation'
 
diff --git a/prolog/problems/family_relations/mother_2/sl.py b/prolog/problems/family_relations/mother_2/sl.py
index 9e384c0..b37c20c 100644
--- a/prolog/problems/family_relations/mother_2/sl.py
+++ b/prolog/problems/family_relations/mother_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 94
 name = 'mother/2'
 slug = 'X je mama od Y'
 
diff --git a/prolog/problems/family_relations/sister_2/en.py b/prolog/problems/family_relations/sister_2/en.py
index 6b055e8..32bb9d9 100644
--- a/prolog/problems/family_relations/sister_2/en.py
+++ b/prolog/problems/family_relations/sister_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 96
 name = 'sister/2'
 slug = 'the sister relation'
 
diff --git a/prolog/problems/family_relations/sister_2/sl.py b/prolog/problems/family_relations/sister_2/sl.py
index 1cb457d..d69b56c 100644
--- a/prolog/problems/family_relations/sister_2/sl.py
+++ b/prolog/problems/family_relations/sister_2/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 96
 name = 'sister/2'
 slug = 'X je sestra od Y'
 
diff --git a/prolog/problems/license_plates/checklicenseplate_3/en.py b/prolog/problems/license_plates/checklicenseplate_3/en.py
index 4e3e726..76270cd 100644
--- a/prolog/problems/license_plates/checklicenseplate_3/en.py
+++ b/prolog/problems/license_plates/checklicenseplate_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 148
 name = 'checkLicensePlate/3'
 slug = 'check if the numbers in a license plate form an equation'
 
diff --git a/prolog/problems/license_plates/firstminus_2/en.py b/prolog/problems/license_plates/firstminus_2/en.py
index 00bb198..cea521a 100644
--- a/prolog/problems/license_plates/firstminus_2/en.py
+++ b/prolog/problems/license_plates/firstminus_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 147
 name = 'firstMinus/2'
 slug = 'negate the first element in a list of numbers'
 
diff --git a/prolog/problems/license_plates/genexp_2/en.py b/prolog/problems/license_plates/genexp_2/en.py
index de168ec..2238f4d 100644
--- a/prolog/problems/license_plates/genexp_2/en.py
+++ b/prolog/problems/license_plates/genexp_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 146
 name = 'genexp/2'
 slug = 'generate an arithmetic expression from a list'
 
diff --git a/prolog/problems/license_plates/getdigits_2/en.py b/prolog/problems/license_plates/getdigits_2/en.py
index 6da7033..afc41d4 100644
--- a/prolog/problems/license_plates/getdigits_2/en.py
+++ b/prolog/problems/license_plates/getdigits_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 144
 name = 'getdigits/2'
 slug = 'remove non-numeric elements from a list'
 
diff --git a/prolog/problems/license_plates/joindigits_2/en.py b/prolog/problems/license_plates/joindigits_2/en.py
index 3a5ff41..c51f452 100644
--- a/prolog/problems/license_plates/joindigits_2/en.py
+++ b/prolog/problems/license_plates/joindigits_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 145
 name = 'joindigits/2'
 slug = 'join adjacent numbers in a list'
 
diff --git a/prolog/problems/lists/conc_3/en.py b/prolog/problems/lists/conc_3/en.py
index 184ca44..7399f7e 100644
--- a/prolog/problems/lists/conc_3/en.py
+++ b/prolog/problems/lists/conc_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 104
 name = 'conc/3'
 slug = 'concatenate two lists'
 
diff --git a/prolog/problems/lists/count_3/en.py b/prolog/problems/lists/count_3/en.py
index 9115940..c676dea 100644
--- a/prolog/problems/lists/count_3/en.py
+++ b/prolog/problems/lists/count_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 120
 name = 'count/3'
 slug = 'find the number of occurrences of an element in list'
 
diff --git a/prolog/problems/lists/del_3/en.py b/prolog/problems/lists/del_3/en.py
index 1e58ae5..d7e38e8 100644
--- a/prolog/problems/lists/del_3/en.py
+++ b/prolog/problems/lists/del_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 105
 name = 'del/3'
 slug = 'delete an element from list'
 
diff --git a/prolog/problems/lists/divide_3/en.py b/prolog/problems/lists/divide_3/en.py
index 657b013..fded262 100644
--- a/prolog/problems/lists/divide_3/en.py
+++ b/prolog/problems/lists/divide_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 115
 name = 'divide/3'
 slug = 'split a list into parts of roughly equal length'
 
diff --git a/prolog/problems/lists/dup_2/en.py b/prolog/problems/lists/dup_2/en.py
index f6354b3..c1d0c1a 100644
--- a/prolog/problems/lists/dup_2/en.py
+++ b/prolog/problems/lists/dup_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 110
 name = 'dup/2'
 slug = 'duplicate the elements of a list'
 
diff --git a/prolog/problems/lists/evenlen_1_+_oddlen_1/en.py b/prolog/problems/lists/evenlen_1_+_oddlen_1/en.py
index 741c36a..1ac7990 100644
--- a/prolog/problems/lists/evenlen_1_+_oddlen_1/en.py
+++ b/prolog/problems/lists/evenlen_1_+_oddlen_1/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 116
 name = 'evenlen/1 + oddlen/1'
 slug = 'check if the length of a list is even or odd'
 
diff --git a/prolog/problems/lists/insert_3/en.py b/prolog/problems/lists/insert_3/en.py
index 01a7d0a..6a3da54 100644
--- a/prolog/problems/lists/insert_3/en.py
+++ b/prolog/problems/lists/insert_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 106
 name = 'insert/3'
 slug = 'insert an element into list'
 
diff --git a/prolog/problems/lists/len_2/en.py b/prolog/problems/lists/len_2/en.py
index 325e28f..9de0060 100644
--- a/prolog/problems/lists/len_2/en.py
+++ b/prolog/problems/lists/len_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 119
 name = 'len/2'
 slug = 'find the length of a list'
 
diff --git a/prolog/problems/lists/max_2/en.py b/prolog/problems/lists/max_2/en.py
index 1f6aba7..f851cd9 100644
--- a/prolog/problems/lists/max_2/en.py
+++ b/prolog/problems/lists/max_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 109
 name = 'max/2'
 slug = 'find the largest element in list'
 
diff --git a/prolog/problems/lists/memb_2/en.py b/prolog/problems/lists/memb_2/en.py
index 9b3c4d9..3fb20d3 100644
--- a/prolog/problems/lists/memb_2/en.py
+++ b/prolog/problems/lists/memb_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 103
 name = 'memb/2'
 slug = 'find elements in list'
 
diff --git a/prolog/problems/lists/min_2/en.py b/prolog/problems/lists/min_2/en.py
index 0e5a907..2432be2 100644
--- a/prolog/problems/lists/min_2/en.py
+++ b/prolog/problems/lists/min_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 108
 name = 'min/2'
 slug = 'find the smallest element'
 
diff --git a/prolog/problems/lists/palindrome_1/en.py b/prolog/problems/lists/palindrome_1/en.py
index 3e5f561..7f30f8e 100644
--- a/prolog/problems/lists/palindrome_1/en.py
+++ b/prolog/problems/lists/palindrome_1/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 112
 name = 'palindrome/1'
 slug = 'check if list is a palindrome'
 
diff --git a/prolog/problems/lists/permute_2/en.py b/prolog/problems/lists/permute_2/en.py
index 048713e..29d287f 100644
--- a/prolog/problems/lists/permute_2/en.py
+++ b/prolog/problems/lists/permute_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 107
 name = 'permute/2'
 slug = 'generate permutations of a list'
 
diff --git a/prolog/problems/lists/rev_2/en.py b/prolog/problems/lists/rev_2/en.py
index c4800b6..fe36ec5 100644
--- a/prolog/problems/lists/rev_2/en.py
+++ b/prolog/problems/lists/rev_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 111
 name = 'rev/2'
 slug = 'reverse a list'
 
diff --git a/prolog/problems/lists/shiftleft_2/en.py b/prolog/problems/lists/shiftleft_2/en.py
index 72d55e5..a99b4a7 100644
--- a/prolog/problems/lists/shiftleft_2/en.py
+++ b/prolog/problems/lists/shiftleft_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 113
 name = 'shiftleft/2'
 slug = 'shift a list left'
 
diff --git a/prolog/problems/lists/shiftright_2/en.py b/prolog/problems/lists/shiftright_2/en.py
index 3f20565..13384b0 100644
--- a/prolog/problems/lists/shiftright_2/en.py
+++ b/prolog/problems/lists/shiftright_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 114
 name = 'shiftright/2'
 slug = 'shift a list right'
 
diff --git a/prolog/problems/lists/sublist_2/en.py b/prolog/problems/lists/sublist_2/en.py
index e17270b..e761e19 100644
--- a/prolog/problems/lists/sublist_2/en.py
+++ b/prolog/problems/lists/sublist_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 117
 name = 'sublist/2'
 slug = 'generate sublists of a list'
 
diff --git a/prolog/problems/lists/sum_2/en.py b/prolog/problems/lists/sum_2/en.py
index fb47a1f..fc4cea8 100644
--- a/prolog/problems/lists/sum_2/en.py
+++ b/prolog/problems/lists/sum_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 118
 name = 'sum/2'
 slug = 'find the sum of all elements in list'
 
diff --git a/prolog/problems/old_exams/pascal_3/en.py b/prolog/problems/old_exams/pascal_3/en.py
index 0506004..bd17577 100644
--- a/prolog/problems/old_exams/pascal_3/en.py
+++ b/prolog/problems/old_exams/pascal_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 179
 name = 'pascal/3'
 slug = 'pascal's triangle'
 
diff --git a/prolog/problems/other/genlist_4/en.py b/prolog/problems/other/genlist_4/en.py
index 51ef8ea..bcdcefa 100644
--- a/prolog/problems/other/genlist_4/en.py
+++ b/prolog/problems/other/genlist_4/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 127
 name = 'genlist/4'
 slug = 'generate a list of random numbers'
 
diff --git a/prolog/problems/sets/diff_3/en.py b/prolog/problems/sets/diff_3/en.py
index 7ce6944..47def00 100644
--- a/prolog/problems/sets/diff_3/en.py
+++ b/prolog/problems/sets/diff_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 130
 name = 'diff/3'
 slug = 'find the difference of two sets'
 
diff --git a/prolog/problems/sets/intersect_3/en.py b/prolog/problems/sets/intersect_3/en.py
index def0ab5..fed5e34 100644
--- a/prolog/problems/sets/intersect_3/en.py
+++ b/prolog/problems/sets/intersect_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 129
 name = 'intersect/3'
 slug = 'find the intersection of two sets'
 
diff --git a/prolog/problems/sets/is_subset_2/en.py b/prolog/problems/sets/is_subset_2/en.py
index b851d82..ad4804c 100644
--- a/prolog/problems/sets/is_subset_2/en.py
+++ b/prolog/problems/sets/is_subset_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 132
 name = 'is_subset/2'
 slug = 'check if one set is a subset of another'
 
diff --git a/prolog/problems/sets/is_superset_2/en.py b/prolog/problems/sets/is_superset_2/en.py
index 16b3db0..464762c 100644
--- a/prolog/problems/sets/is_superset_2/en.py
+++ b/prolog/problems/sets/is_superset_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 131
 name = 'is_superset/2'
 slug = 'check if one set is a superset of the other'
 
diff --git a/prolog/problems/sets/powerset_2/en.py b/prolog/problems/sets/powerset_2/en.py
index dcaee19..ad2fe87 100644
--- a/prolog/problems/sets/powerset_2/en.py
+++ b/prolog/problems/sets/powerset_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 134
 name = 'powerset/2'
 slug = 'find all subsets of a set'
 
diff --git a/prolog/problems/sets/subset_2/en.py b/prolog/problems/sets/subset_2/en.py
index 78c1362..eb96ac0 100644
--- a/prolog/problems/sets/subset_2/en.py
+++ b/prolog/problems/sets/subset_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 133
 name = 'subset/2'
 slug = 'generate all subsets of a set'
 
diff --git a/prolog/problems/sets/union_3/en.py b/prolog/problems/sets/union_3/en.py
index 1c9379e..db6bbd9 100644
--- a/prolog/problems/sets/union_3/en.py
+++ b/prolog/problems/sets/union_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 128
 name = 'union/3'
 slug = 'find the union of two sets'
 
diff --git a/prolog/problems/sorting/is_sorted_1/en.py b/prolog/problems/sorting/is_sorted_1/en.py
index ab8e2dc..3ea6572 100644
--- a/prolog/problems/sorting/is_sorted_1/en.py
+++ b/prolog/problems/sorting/is_sorted_1/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 121
 name = 'is_sorted/1'
 slug = 'check if list is sorted'
 
diff --git a/prolog/problems/sorting/isort_2/en.py b/prolog/problems/sorting/isort_2/en.py
index d9b3796..9fba6ac 100644
--- a/prolog/problems/sorting/isort_2/en.py
+++ b/prolog/problems/sorting/isort_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 123
 name = 'isort/2'
 slug = 'sort a list using insertion sort'
 
diff --git a/prolog/problems/sorting/pivoting_4/en.py b/prolog/problems/sorting/pivoting_4/en.py
index 5a5e171..43e4ae3 100644
--- a/prolog/problems/sorting/pivoting_4/en.py
+++ b/prolog/problems/sorting/pivoting_4/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 124
 name = 'pivoting/4'
 slug = 'split a list according to the pivot'
 
diff --git a/prolog/problems/sorting/quick_sort_2/en.py b/prolog/problems/sorting/quick_sort_2/en.py
index bed1a83..faf6d41 100644
--- a/prolog/problems/sorting/quick_sort_2/en.py
+++ b/prolog/problems/sorting/quick_sort_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 125
 name = 'quick_sort/2'
 slug = 'sort a list using quicksort'
 
diff --git a/prolog/problems/sorting/sins_3/en.py b/prolog/problems/sorting/sins_3/en.py
index 384fbf7..2d9cf98 100644
--- a/prolog/problems/sorting/sins_3/en.py
+++ b/prolog/problems/sorting/sins_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 122
 name = 'sins/3'
 slug = 'insert an element at correct position into a sorted list'
 
diff --git a/prolog/problems/sorting/slowest_sort_ever_2/en.py b/prolog/problems/sorting/slowest_sort_ever_2/en.py
index 0f39645..e327102 100644
--- a/prolog/problems/sorting/slowest_sort_ever_2/en.py
+++ b/prolog/problems/sorting/slowest_sort_ever_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 126
 name = 'slowest_sort_ever/2'
 slug = 'sort a list by randomly permuting elements'
 
diff --git a/prolog/problems/trees/deletebt_3/en.py b/prolog/problems/trees/deletebt_3/en.py
index a69ea15..215fced 100644
--- a/prolog/problems/trees/deletebt_3/en.py
+++ b/prolog/problems/trees/deletebt_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 137
 name = 'deleteBT/3'
 slug = 'delete an element from a binary tree'
 
diff --git a/prolog/problems/trees/depthbt_2/en.py b/prolog/problems/trees/depthbt_2/en.py
index 5616bc0..94fec48 100644
--- a/prolog/problems/trees/depthbt_2/en.py
+++ b/prolog/problems/trees/depthbt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 140
 name = 'depthBT/2'
 slug = 'find the depth of a binary tree'
 
diff --git a/prolog/problems/trees/insertbt_3/en.py b/prolog/problems/trees/insertbt_3/en.py
index dec4050..08eb2cd 100644
--- a/prolog/problems/trees/insertbt_3/en.py
+++ b/prolog/problems/trees/insertbt_3/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 138
 name = 'insertBT/3'
 slug = 'insert an element into a binary tree'
 
diff --git a/prolog/problems/trees/maxt_2/en.py b/prolog/problems/trees/maxt_2/en.py
index 18e99d4..20db52e 100644
--- a/prolog/problems/trees/maxt_2/en.py
+++ b/prolog/problems/trees/maxt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 143
 name = 'maxT/2'
 slug = 'find the greatest element in a tree'
 
diff --git a/prolog/problems/trees/memberbt_2/en.py b/prolog/problems/trees/memberbt_2/en.py
index e9b87a6..e8d48f2 100644
--- a/prolog/problems/trees/memberbt_2/en.py
+++ b/prolog/problems/trees/memberbt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 135
 name = 'memberBT/2'
 slug = 'find elements in a binary tree'
 
diff --git a/prolog/problems/trees/membert_2/en.py b/prolog/problems/trees/membert_2/en.py
index 9095e08..738d625 100644
--- a/prolog/problems/trees/membert_2/en.py
+++ b/prolog/problems/trees/membert_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 142
 name = 'memberT/2'
 slug = 'find elements in a tree'
 
diff --git a/prolog/problems/trees/mirrorbt_2/en.py b/prolog/problems/trees/mirrorbt_2/en.py
index 797ca93..85c2a54 100644
--- a/prolog/problems/trees/mirrorbt_2/en.py
+++ b/prolog/problems/trees/mirrorbt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 136
 name = 'mirrorBT/2'
 slug = 'flip a binary tree horizontally'
 
diff --git a/prolog/problems/trees/numberbt_2/en.py b/prolog/problems/trees/numberbt_2/en.py
index d0f835c..3be193d 100644
--- a/prolog/problems/trees/numberbt_2/en.py
+++ b/prolog/problems/trees/numberbt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 139
 name = 'numberBT/2'
 slug = 'find the number of nodes in a binary tree'
 
diff --git a/prolog/problems/trees/tolistbt_2/en.py b/prolog/problems/trees/tolistbt_2/en.py
index e67fffb..a6d0d4b 100644
--- a/prolog/problems/trees/tolistbt_2/en.py
+++ b/prolog/problems/trees/tolistbt_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 141
 name = 'tolistBT/2'
 slug = 'construct a list with all elements of a binary tree'
 
diff --git a/python/problems/functions/greatest/en.py b/python/problems/functions/greatest/en.py
index 8a0c883..acf4672 100644
--- a/python/problems/functions/greatest/en.py
+++ b/python/problems/functions/greatest/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 195
 name = 'Maximum number'
 slug = 'Maximum number'
 
diff --git a/python/problems/functions/greatest/sl.py b/python/problems/functions/greatest/sl.py
index a7916a5..12e07fe 100644
--- a/python/problems/functions/greatest/sl.py
+++ b/python/problems/functions/greatest/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 195
 name = 'Največji'
 slug = 'Največji'
 
diff --git a/python/problems/functions/greatest_absolutist/en.py b/python/problems/functions/greatest_absolutist/en.py
index 03614e7..1ede4a9 100644
--- a/python/problems/functions/greatest_absolutist/en.py
+++ b/python/problems/functions/greatest_absolutist/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 196
 name = 'Greatest absolutist'
 slug = 'Greatest absolutist'
 
diff --git a/python/problems/functions/greatest_absolutist/sl.py b/python/problems/functions/greatest_absolutist/sl.py
index d51cd96..45440b2 100644
--- a/python/problems/functions/greatest_absolutist/sl.py
+++ b/python/problems/functions/greatest_absolutist/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 196
 name = 'Največji absolutist'
 slug = 'Največji absolutist'
 
diff --git a/python/problems/functions/greatest_negative/en.py b/python/problems/functions/greatest_negative/en.py
index a57cb1f..5c2919a 100644
--- a/python/problems/functions/greatest_negative/en.py
+++ b/python/problems/functions/greatest_negative/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 197
 name = 'Greatest negativist'
 slug = 'Greatest negativist'
 
diff --git a/python/problems/functions/greatest_negative/sl.py b/python/problems/functions/greatest_negative/sl.py
index ea1e47c..31f1fd6 100644
--- a/python/problems/functions/greatest_negative/sl.py
+++ b/python/problems/functions/greatest_negative/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 197
 name = 'Največji negativec'
 slug = 'Največji negativec'
 
diff --git a/python/problems/introduction/average/en.py b/python/problems/introduction/average/en.py
index 7742a7d..5ce621e 100644
--- a/python/problems/introduction/average/en.py
+++ b/python/problems/introduction/average/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 1000
 name = 'Average grade'
 slug = 'Average grade'
 
diff --git a/python/problems/introduction/average/sl.py b/python/problems/introduction/average/sl.py
index d7eafbb..540a9cc 100644
--- a/python/problems/introduction/average/sl.py
+++ b/python/problems/introduction/average/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 189
 name = 'Povprečna ocena'
 slug = 'Povprečna ocena'
 
diff --git a/python/problems/introduction/ballistics/en.py b/python/problems/introduction/ballistics/en.py
index 34dca8a..6fab80f 100644
--- a/python/problems/introduction/ballistics/en.py
+++ b/python/problems/introduction/ballistics/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 1000
 name = 'Ballistics'
 slug = 'Ballistics'
 
diff --git a/python/problems/introduction/ballistics/sl.py b/python/problems/introduction/ballistics/sl.py
index fa0fe5d..ee073f8 100644
--- a/python/problems/introduction/ballistics/sl.py
+++ b/python/problems/introduction/ballistics/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 187
 name = 'Topologija'
 slug = 'Topologija'
 
diff --git a/python/problems/introduction/fahrenheit_to_celsius/en.py b/python/problems/introduction/fahrenheit_to_celsius/en.py
index a2af212..5d7522e 100644
--- a/python/problems/introduction/fahrenheit_to_celsius/en.py
+++ b/python/problems/introduction/fahrenheit_to_celsius/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 180
 name = 'Converting Fahrenheit to Celsius'
 slug = 'Converting Fahrenheit to Celsius'
 
diff --git a/python/problems/introduction/fahrenheit_to_celsius/sl.py b/python/problems/introduction/fahrenheit_to_celsius/sl.py
index ae3db5f..f5ce4a4 100644
--- a/python/problems/introduction/fahrenheit_to_celsius/sl.py
+++ b/python/problems/introduction/fahrenheit_to_celsius/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 180
 name = 'Pretvarjanje iz Fahrenheitov v Celzije'
 slug = 'Pretvarjanje iz Fahrenheitov v Celzije'
 
diff --git a/python/problems/introduction/fast_fingers/en.py b/python/problems/introduction/fast_fingers/en.py
index de07494..ab4637a 100644
--- a/python/problems/introduction/fast_fingers/en.py
+++ b/python/problems/introduction/fast_fingers/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 1000
 name = 'Fast fingers'
 slug = 'Fast fingers'
 
diff --git a/python/problems/introduction/fast_fingers/sl.py b/python/problems/introduction/fast_fingers/sl.py
index 0b38a3a..c181951 100644
--- a/python/problems/introduction/fast_fingers/sl.py
+++ b/python/problems/introduction/fast_fingers/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 190
 name = 'Hitri prsti'
 slug = 'Hitri prsti'
 
diff --git a/python/problems/introduction/fast_fingers_2/en.py b/python/problems/introduction/fast_fingers_2/en.py
index 636f4d0..2172127 100644
--- a/python/problems/introduction/fast_fingers_2/en.py
+++ b/python/problems/introduction/fast_fingers_2/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 1000
 name = 'Fast fingers 2'
 slug = 'Fast fingers 2'
 
diff --git a/python/problems/introduction/fast_fingers_2/sl.py b/python/problems/introduction/fast_fingers_2/sl.py
index 125bd24..6606fbe 100644
--- a/python/problems/introduction/fast_fingers_2/sl.py
+++ b/python/problems/introduction/fast_fingers_2/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 191
 name = 'Hitri prsti 2'
 slug = 'Hitri prsti 2'
 
diff --git a/python/problems/introduction/pythagorean_theorem/en.py b/python/problems/introduction/pythagorean_theorem/en.py
index b3c6117..79d7e39 100644
--- a/python/problems/introduction/pythagorean_theorem/en.py
+++ b/python/problems/introduction/pythagorean_theorem/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 1000
 name = 'Pythagorean theorem'
 slug = 'Pythagorean theorem'
 
diff --git a/python/problems/introduction/pythagorean_theorem/sl.py b/python/problems/introduction/pythagorean_theorem/sl.py
index 21aec9a..9500651 100644
--- a/python/problems/introduction/pythagorean_theorem/sl.py
+++ b/python/problems/introduction/pythagorean_theorem/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 188
 name = 'Pitagorov izrek'
 slug = 'Pitagorov izrek'
 
diff --git a/python/problems/lists_and_for/contains_42/en.py b/python/problems/lists_and_for/contains_42/en.py
index 805b37c..7794063 100644
--- a/python/problems/lists_and_for/contains_42/en.py
+++ b/python/problems/lists_and_for/contains_42/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 193
 name = 'Contains 42'
 slug = 'Contains 42'
 
diff --git a/python/problems/lists_and_for/contains_42/sl.py b/python/problems/lists_and_for/contains_42/sl.py
index 245d346..65353a7 100644
--- a/python/problems/lists_and_for/contains_42/sl.py
+++ b/python/problems/lists_and_for/contains_42/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 193
 name = 'Vsebuje'
 slug = 'Vsebuje'
 
diff --git a/python/problems/lists_and_for/contains_string/en.py b/python/problems/lists_and_for/contains_string/en.py
index fa17867..b57be95 100644
--- a/python/problems/lists_and_for/contains_string/en.py
+++ b/python/problems/lists_and_for/contains_string/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 194
 name = 'Contains string'
 slug = 'Contains string'
 
diff --git a/python/problems/lists_and_for/contains_string/sl.py b/python/problems/lists_and_for/contains_string/sl.py
index 49f0ed0..7061c59 100644
--- a/python/problems/lists_and_for/contains_string/sl.py
+++ b/python/problems/lists_and_for/contains_string/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 194
 name = 'Vsebuje niz'
 slug = 'Vsebuje niz'
 
diff --git a/python/problems/lists_and_for/counting/en.py b/python/problems/lists_and_for/counting/en.py
index 19568e3..223a611 100644
--- a/python/problems/lists_and_for/counting/en.py
+++ b/python/problems/lists_and_for/counting/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 203
 name = 'Counting'
 slug = 'Counting'
 
diff --git a/python/problems/lists_and_for/counting/sl.py b/python/problems/lists_and_for/counting/sl.py
index c2fc820..926d2c6 100644
--- a/python/problems/lists_and_for/counting/sl.py
+++ b/python/problems/lists_and_for/counting/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 203
 name = 'Štej'
 slug = 'Štej'
 
diff --git a/python/problems/lists_and_for/divisors/en.py b/python/problems/lists_and_for/divisors/en.py
index e98e9a7..8f4dbeb 100644
--- a/python/problems/lists_and_for/divisors/en.py
+++ b/python/problems/lists_and_for/divisors/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 204
 name = 'Divisors'
 slug = 'Divisors'
 
diff --git a/python/problems/lists_and_for/divisors/sl.py b/python/problems/lists_and_for/divisors/sl.py
index cddeae8..11bfb40 100644
--- a/python/problems/lists_and_for/divisors/sl.py
+++ b/python/problems/lists_and_for/divisors/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 204
 name = 'Delitelji'
 slug = 'Delitelji'
 
diff --git a/python/problems/while_and_if/buy_five/en.py b/python/problems/while_and_if/buy_five/en.py
index 7e522da..9ad1f06 100644
--- a/python/problems/while_and_if/buy_five/en.py
+++ b/python/problems/while_and_if/buy_five/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 185
 name = 'Buy five'
 slug = 'Buy five'
 
diff --git a/python/problems/while_and_if/buy_five/sl.py b/python/problems/while_and_if/buy_five/sl.py
index 8008d91..3dbc9d3 100644
--- a/python/problems/while_and_if/buy_five/sl.py
+++ b/python/problems/while_and_if/buy_five/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 185
 name = 'Blagajna "vse po pet"'
 slug = 'Blagajna "vse po pet"'
 
diff --git a/python/problems/while_and_if/checking_account/en.py b/python/problems/while_and_if/checking_account/en.py
index 1d36474..12ecf28 100644
--- a/python/problems/while_and_if/checking_account/en.py
+++ b/python/problems/while_and_if/checking_account/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 199
 name = 'Checking Account'
 slug = 'Checking Account'
 
diff --git a/python/problems/while_and_if/checking_account/sl.py b/python/problems/while_and_if/checking_account/sl.py
index 91a877c..86f973b 100644
--- a/python/problems/while_and_if/checking_account/sl.py
+++ b/python/problems/while_and_if/checking_account/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 200
 name = 'Tekoči račun'
 slug = 'Tekoči račun'
 
diff --git a/python/problems/while_and_if/competition/en.py b/python/problems/while_and_if/competition/en.py
index f6399a2..215665c 100644
--- a/python/problems/while_and_if/competition/en.py
+++ b/python/problems/while_and_if/competition/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 185
 name = 'Competition'
 slug = 'Competition'
 
diff --git a/python/problems/while_and_if/competition/sl.py b/python/problems/while_and_if/competition/sl.py
index 2fedf14..195b51f 100644
--- a/python/problems/while_and_if/competition/sl.py
+++ b/python/problems/while_and_if/competition/sl.py
@@ -3,7 +3,6 @@ import server
 mod = server.problems.load_language('python', 'sl')
 
 
-id = 192
 name = 'Blagajna "konkurenca"'
 slug = 'Blagajna "konkurenca"'
 
diff --git a/python/problems/while_and_if/consumers_anonymous/en.py b/python/problems/while_and_if/consumers_anonymous/en.py
index 6331570..49fe465 100644
--- a/python/problems/while_and_if/consumers_anonymous/en.py
+++ b/python/problems/while_and_if/consumers_anonymous/en.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 201
 name = 'Consumers Anonymous'
 slug = 'Consumers Anonymous'
 
diff --git a/python/problems/while_and_if/consumers_anonymous/sl.py b/python/problems/while_and_if/consumers_anonymous/sl.py
index cc5bcb7..131a13b 100644
--- a/python/problems/while_and_if/consumers_anonymous/sl.py
+++ b/python/problems/while_and_if/consumers_anonymous/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 201
 name = 'Klub anonimnih potrošnikov'
 slug = 'Klub anonimnih potrošnikov'
 
diff --git a/python/problems/while_and_if/minimax/en.py b/python/problems/while_and_if/minimax/en.py
index 10689ec..2aee417 100644
--- a/python/problems/while_and_if/minimax/en.py
+++ b/python/problems/while_and_if/minimax/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 200
 name = 'Minimax'
 slug = 'Minimax'
 
diff --git a/python/problems/while_and_if/minimax/sl.py b/python/problems/while_and_if/minimax/sl.py
index 2b07efa..0d934b8 100644
--- a/python/problems/while_and_if/minimax/sl.py
+++ b/python/problems/while_and_if/minimax/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 199
 name = 'Blagajna "minimax"'
 slug = 'Blagajna "minimax"'
 
diff --git a/python/problems/while_and_if/top_shop/en.py b/python/problems/while_and_if/top_shop/en.py
index a69ae9a..b8e5119 100644
--- a/python/problems/while_and_if/top_shop/en.py
+++ b/python/problems/while_and_if/top_shop/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 198
 name = 'Top shop'
 slug = 'Top shop'
 
diff --git a/python/problems/while_and_if/top_shop/sl.py b/python/problems/while_and_if/top_shop/sl.py
index b577633..334736c 100644
--- a/python/problems/while_and_if/top_shop/sl.py
+++ b/python/problems/while_and_if/top_shop/sl.py
@@ -2,7 +2,6 @@
 import server
 mod = server.problems.load_language('python', 'sl')
 
-id = 198
 name = 'Blagajna "top shop"'
 slug = 'Blagajna "top shop"'
 
diff --git a/robot/problems/introduction/forward/en.py b/robot/problems/introduction/forward/en.py
index d943867..7c229b0 100644
--- a/robot/problems/introduction/forward/en.py
+++ b/robot/problems/introduction/forward/en.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 202
 name = 'Forward'
 slug = 'Forward'
 
diff --git a/robot/problems/introduction/forward/sl.py b/robot/problems/introduction/forward/sl.py
index 98f3a8d..c7c7eee 100644
--- a/robot/problems/introduction/forward/sl.py
+++ b/robot/problems/introduction/forward/sl.py
@@ -1,6 +1,5 @@
 # coding=utf-8
 
-id = 202
 name = 'Naprej'
 slug = 'Naprej'
 
-- 
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