Added the coding line to python files.

18 files changed, 36 insertions, 0 deletions

diff --git a/prolog/problems/trees/deletebt_3/common.py b/prolog/problems/trees/deletebt_3/common.py
index 76550f6..0963d15 100644
--- a/prolog/problems/trees/deletebt_3/common.py
+++ b/prolog/problems/trees/deletebt_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 137
 group = 'trees'
 number = 47
diff --git a/prolog/problems/trees/deletebt_3/en.py b/prolog/problems/trees/deletebt_3/en.py
index 557efaa..a69ea15 100644
--- a/prolog/problems/trees/deletebt_3/en.py
+++ b/prolog/problems/trees/deletebt_3/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/depthbt_2/common.py
index 9e26f21..d8b255d 100644
--- a/prolog/problems/trees/depthbt_2/common.py
+++ b/prolog/problems/trees/depthbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 140
 group = 'trees'
 number = 45
diff --git a/prolog/problems/trees/depthbt_2/en.py b/prolog/problems/trees/depthbt_2/en.py
index 37cb3cd..5616bc0 100644
--- a/prolog/problems/trees/depthbt_2/en.py
+++ b/prolog/problems/trees/depthbt_2/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/insertbt_3/common.py
index efbfb7d..1653183 100644
--- a/prolog/problems/trees/insertbt_3/common.py
+++ b/prolog/problems/trees/insertbt_3/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 138
 group = 'trees'
 number = 48
diff --git a/prolog/problems/trees/insertbt_3/en.py b/prolog/problems/trees/insertbt_3/en.py
index 202df0a..dec4050 100644
--- a/prolog/problems/trees/insertbt_3/en.py
+++ b/prolog/problems/trees/insertbt_3/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/maxt_2/common.py
index be51d46..264f5e2 100644
--- a/prolog/problems/trees/maxt_2/common.py
+++ b/prolog/problems/trees/maxt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 143
 group = 'trees'
 number = 50
diff --git a/prolog/problems/trees/maxt_2/en.py b/prolog/problems/trees/maxt_2/en.py
index 3e15b34..18e99d4 100644
--- a/prolog/problems/trees/maxt_2/en.py
+++ b/prolog/problems/trees/maxt_2/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/memberbt_2/common.py
index f0ae0bd..e983b76 100644
--- a/prolog/problems/trees/memberbt_2/common.py
+++ b/prolog/problems/trees/memberbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 135
 group = 'trees'
 number = 42
diff --git a/prolog/problems/trees/memberbt_2/en.py b/prolog/problems/trees/memberbt_2/en.py
index fcca1d9..e9b87a6 100644
--- a/prolog/problems/trees/memberbt_2/en.py
+++ b/prolog/problems/trees/memberbt_2/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/membert_2/common.py
index 177309f..33a966d 100644
--- a/prolog/problems/trees/membert_2/common.py
+++ b/prolog/problems/trees/membert_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 142
 group = 'trees'
 number = 49
diff --git a/prolog/problems/trees/membert_2/en.py b/prolog/problems/trees/membert_2/en.py
index a6fdffb..9095e08 100644
--- a/prolog/problems/trees/membert_2/en.py
+++ b/prolog/problems/trees/membert_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 142
 name = 'memberT/2'
 slug = 'find elements in a tree'
diff --git a/prolog/problems/trees/mirrorbt_2/common.py b/prolog/problems/trees/mirrorbt_2/common.py
index dc8d337..c10f433 100644
--- a/prolog/problems/trees/mirrorbt_2/common.py
+++ b/prolog/problems/trees/mirrorbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 136
 group = 'trees'
 number = 43
diff --git a/prolog/problems/trees/mirrorbt_2/en.py b/prolog/problems/trees/mirrorbt_2/en.py
index d44f463..797ca93 100644
--- a/prolog/problems/trees/mirrorbt_2/en.py
+++ b/prolog/problems/trees/mirrorbt_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 136
 name = 'mirrorBT/2'
 slug = 'flip a binary tree horizontally'
diff --git a/prolog/problems/trees/numberbt_2/common.py b/prolog/problems/trees/numberbt_2/common.py
index 65baa14..a7499c2 100644
--- a/prolog/problems/trees/numberbt_2/common.py
+++ b/prolog/problems/trees/numberbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 139
 group = 'trees'
 number = 44
diff --git a/prolog/problems/trees/numberbt_2/en.py b/prolog/problems/trees/numberbt_2/en.py
index 6f735ed..d0f835c 100644
--- a/prolog/problems/trees/numberbt_2/en.py
+++ b/prolog/problems/trees/numberbt_2/en.py
@@ -1,3 +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/common.py b/prolog/problems/trees/tolistbt_2/common.py
index 6df7cdd..c9765df 100644
--- a/prolog/problems/trees/tolistbt_2/common.py
+++ b/prolog/problems/trees/tolistbt_2/common.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 141
 group = 'trees'
 number = 46
diff --git a/prolog/problems/trees/tolistbt_2/en.py b/prolog/problems/trees/tolistbt_2/en.py
index c4bf5ba..e67fffb 100644
--- a/prolog/problems/trees/tolistbt_2/en.py
+++ b/prolog/problems/trees/tolistbt_2/en.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 id = 141
 name = 'tolistBT/2'
 slug = 'construct a list with all elements of a binary tree'