Merge branch 'master' of ssh://212.235.189.51:22122/codeq-problems

Conflicts:
	robot/problems/introduction/forward/en.py
	robot/problems/introduction/forward/sl.py

40 files changed, 1173 insertions, 10 deletions

diff --git a/python/problems/functions/assign_numbers/common.py b/python/problems/functions/assign_numbers/common.py
new file mode 100644
index 0000000..effd061
--- /dev/null
+++ b/python/problems/functions/assign_numbers/common.py
@@ -0,0 +1,64 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 225
+number = 4
+visible = True
+
+solution = '''\
+def numbers(xs):
+    ys = []
+    for i in range(len(xs)):
+        ys.append((i, xs[i]))
+    return ys
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'numbers'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        ([], []),
+        ([1], [(0, 1)]),
+        ([5, 1, 4, 2, 3], [(0, 5), (1, 1), (2, 4), (3, 2), (4, 3)]),
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/assign_numbers/en.py b/python/problems/functions/assign_numbers/en.py
new file mode 100644
index 0000000..a68c6c8
--- /dev/null
+++ b/python/problems/functions/assign_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 225
+name = 'Assign numbers'
+slug = 'Assign numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/assign_numbers/sl.py b/python/problems/functions/assign_numbers/sl.py
new file mode 100644
index 0000000..97c0c3a
--- /dev/null
+++ b/python/problems/functions/assign_numbers/sl.py
@@ -0,0 +1,34 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 225
+name = 'Oštevilči'
+slug = 'Oštevilči'
+
+
+description = '''\
+<p>
+Napišite funkcijo <code>numbers(xs)</code>, ki vrne seznam oblike <code>[(0, xs[0]), (1, xs[1]), ..., (n, xs[n])]</code>.
+Število <code>n</code> je enako dolžini seznama <code>xs</code> minus ena.
+<pre>
+>>> numbers([4, 4, 4])
+[(0, 4), (1, 4), (2, 4)]
+>>> numbers([5, 1, 4, 2, 3])
+[(0, 5), (1, 1), (2, 4), (3, 2), (4, 3)]
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/body_mass_index/common.py b/python/problems/functions/body_mass_index/common.py
new file mode 100644
index 0000000..8e774be
--- /dev/null
+++ b/python/problems/functions/body_mass_index/common.py
@@ -0,0 +1,67 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 226
+number = 5
+visible = True
+
+solution = '''\
+def bmi(xs):
+    ys = []
+    for name, weight, height in xs:
+        ys.append((name, weight / (height / 100)**2))
+    return ys
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'bmi'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        ([], []),
+        ([('Ana', 55, 165), ('Berta', 60, 153)],
+            [('Ana', 20.202020202020204), ('Berta', 25.63116749967961)]),
+        ([('Ana', 55, 165), ('Berta', 60, 153), ('Cilka', 70, 183)],
+            [('Ana', 20.202020202020204), ('Berta', 25.63116749967961), ('Cilka', 20.902385858042937)]),
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/body_mass_index/en.py b/python/problems/functions/body_mass_index/en.py
new file mode 100644
index 0000000..fb4663f
--- /dev/null
+++ b/python/problems/functions/body_mass_index/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 226
+name = 'Body mass index'
+slug = 'Body mass index'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/body_mass_index/sl.py b/python/problems/functions/body_mass_index/sl.py
new file mode 100644
index 0000000..fd67c88
--- /dev/null
+++ b/python/problems/functions/body_mass_index/sl.py
@@ -0,0 +1,35 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 226
+name = 'Indeks telesne teže'
+slug = 'Indeks telesne teže'
+
+
+description = '''\
+<p>
+Podan imamo seznam trojk: ime osebe, teža, višina, na primer:
+<pre>
+>>> osebe = [('Ana', 55, 165), ('Berta', 60, 153)]
+</pre>
+Napišite funkcijo <code>bmi(osebe)</code>, ki na podlagi podanega seznama osebe, sestavi seznam dvojk: ime osebe, indeks telesne teže:
+<pre>
+>>> bmi(osebe)
+[('Ana', 20.202020202020204), ('Berta', 25.63116749967961)]
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/body_mass_index_2/common.py b/python/problems/functions/body_mass_index_2/common.py
new file mode 100644
index 0000000..c6cf2b3
--- /dev/null
+++ b/python/problems/functions/body_mass_index_2/common.py
@@ -0,0 +1,66 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 227
+number = 6
+visible = True
+
+solution = '''\
+def bmi2(names, weights, heights):
+    ys = []
+    for name, weight, height in zip(names, weights, heights):
+        ys.append((name, weight / (height / 100)**2))
+    return ys
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'bmi2'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (([], [], []), []),
+        ((['Ana', 'Berta'], [55, 60], [165, 153]),
+            [('Ana', 20.202020202020204), ('Berta', 25.63116749967961)]),
+        ((['Ana', 'Berta', 'Cilka'], [55, 60, 70], [165, 153, 183]),
+            [('Ana', 20.202020202020204), ('Berta', 25.63116749967961), ('Cilka', 20.902385858042937)]),
+    ]
+
+    test_in = [(func_name+'(*%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/body_mass_index_2/en.py b/python/problems/functions/body_mass_index_2/en.py
new file mode 100644
index 0000000..b34718b
--- /dev/null
+++ b/python/problems/functions/body_mass_index_2/en.py
@@ -0,0 +1,15 @@
+# coding=utf-8
+
+name = 'Body mass index 2'
+slug = 'Body mass index 2'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/body_mass_index_2/sl.py b/python/problems/functions/body_mass_index_2/sl.py
new file mode 100644
index 0000000..8cd56c7
--- /dev/null
+++ b/python/problems/functions/body_mass_index_2/sl.py
@@ -0,0 +1,31 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+name = 'Indeks telesne teže 2'
+slug = 'Indeks telesne teže 2'
+
+description = '''\
+<p>
+Naloga je podobna prejšnji, le da imamo tokrat podatke v drugačni obliki:
+<pre>
+>>> imena = ['Ana', 'Berta']
+>>> teze = [55, 60]
+>>> visine = [165, 153]
+>>> bmi2(imena, teze, visine)
+[('Ana', 20.202020202020204), ('Berta', 25.63116749967961)]
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/common.py b/python/problems/functions/common.py
new file mode 100644
index 0000000..ede78e6
--- /dev/null
+++ b/python/problems/functions/common.py
@@ -0,0 +1,2 @@
+id = 17
+number = 4
\ No newline at end of file
diff --git a/python/problems/functions/divisors/common.py b/python/problems/functions/divisors/common.py
new file mode 100644
index 0000000..afff7c5
--- /dev/null
+++ b/python/problems/functions/divisors/common.py
@@ -0,0 +1,69 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 230
+number = 9
+visible = True
+
+solution = '''\
+def divisors(n):
+    for i in range(1, n):
+        if n % i == 0:
+            print(i)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'divisors'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (8, [1,2,4]),
+        (6, [1,2,3]),
+        (5, [1]),
+        (1, []),
+        (2, [1]),
+        (15, [1,3,5]),
+        (20, [1,2,4,5,10])
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        numbers = sorted(int(n) for n in get_numbers(ans[1]))
+        if numbers == to:
+            n_correct += 1
+        else:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/divisors/en.py b/python/problems/functions/divisors/en.py
new file mode 100644
index 0000000..d1e71c2
--- /dev/null
+++ b/python/problems/functions/divisors/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 230
+name = 'Divisors'
+slug = 'Divisors'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/divisors/sl.py b/python/problems/functions/divisors/sl.py
new file mode 100644
index 0000000..76b0917
--- /dev/null
+++ b/python/problems/functions/divisors/sl.py
@@ -0,0 +1,26 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 230
+name = 'Delitelji'
+slug = 'Delitelji'
+
+
+description = '''\
+<p>
+Napiši funkcijo <code>divisors(n)</code>, ki izpiše vse delitelje števila (brez samega sebe), ki ga vnese uporabnik.</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/divisors_sum/common.py b/python/problems/functions/divisors_sum/common.py
new file mode 100644
index 0000000..142a448
--- /dev/null
+++ b/python/problems/functions/divisors_sum/common.py
@@ -0,0 +1,69 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 231
+number = 10
+visible = True
+
+solution = '''\
+def divisors_sum(n):
+    s = 0
+    for i in range(1, n):
+        if n % i == 0:
+            s += i
+    return s
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'divisors_sum'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (8, 7),
+        (6, 6),
+        (5, 1),
+        (1, 0),
+        (2, 1),
+        (15, 9),
+        (20, 22)
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/divisors_sum/en.py b/python/problems/functions/divisors_sum/en.py
new file mode 100644
index 0000000..67806f7
--- /dev/null
+++ b/python/problems/functions/divisors_sum/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 231
+name = 'Divisors sum'
+slug = 'Divisors sum'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/divisors_sum/sl.py b/python/problems/functions/divisors_sum/sl.py
new file mode 100644
index 0000000..47b8719
--- /dev/null
+++ b/python/problems/functions/divisors_sum/sl.py
@@ -0,0 +1,27 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 231
+name = 'Vsota deliteljev'
+slug = 'Vsota deliteljev'
+
+
+description = '''\
+<p>
+Napiši funkcijo <code>divisors_sum(n)</code>, ki vrne vsoto vseh deliteljev števila, ki ga vnese uporabnik.
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/friendly_numbers/common.py b/python/problems/functions/friendly_numbers/common.py
new file mode 100644
index 0000000..fe121dc
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/common.py
@@ -0,0 +1,75 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 233
+number = 12
+visible = True
+
+solution = '''\
+def divisors_sum(n):
+    s = 0
+    for i in range(1, n):
+        if n % i == 0:
+            s += i
+    return s
+
+def amicable_number(n):
+    s = divisors_sum(n)
+    if n == divisors_sum(s):
+        return s
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'amicable_number'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (220, 284),
+        (284, 220),
+        (1010, None),
+        (6, None),
+        (2620, 2924),
+        (1, None),
+        (10, None),
+        (1210, 1184)
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/friendly_numbers/en.py b/python/problems/functions/friendly_numbers/en.py
new file mode 100644
index 0000000..c77dca1
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 233
+name = 'Amicable numbers'
+slug = 'Amicable numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/friendly_numbers/sl.py b/python/problems/functions/friendly_numbers/sl.py
new file mode 100644
index 0000000..51d47ae
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/sl.py
@@ -0,0 +1,37 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 233
+name = 'Prijateljska števila'
+slug = 'Prijateljska števila'
+
+
+description = '''\
+<p>
+220 in 284 sta prijateljski števili. Delitelji 220 so 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 in 110.
+Če jih seštejemo, dobimo 284. Delitelji 284 pa so 1, 2, 4, 71 in 142. Vsota teh števil pa je 220.
+Napiši funkcijo <code>amicable_number(n)</code>, ki vrne prijateljsko število številu <code>n</code>, če ga ima, oz.
+vrne <code>None</code>, če ga nima. Primer:
+<pre>
+>>> amicable_number(220)
+284
+>>> amicable_number(222)
+None
+</pre>
+</p>
+<p> Uporabite funkcijo za vsoto deliteljev!</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/greatest/common.py b/python/problems/functions/greatest/common.py
index 6857603..726fa88 100644
--- a/python/problems/functions/greatest/common.py
+++ b/python/problems/functions/greatest/common.py
@@ -6,7 +6,6 @@ from python.util import has_token_sequence, string_almost_equal, \
 from server.hints import Hint
 
 id = 195
-group = 'functions'
 number = 1
 visible = True
 
@@ -32,6 +31,10 @@ hint_type = {
 }
 
 def test(python, code):
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', 'max_val']):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : 'max_val'}}]
+
     test_lists = [[6, 4, 2, 0],
                [4, 6, 2, 0],
                [4, 2, 6, 0],
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/common.py b/python/problems/functions/greatest_absolutist/common.py
index 2d80097..3226b87 100644
--- a/python/problems/functions/greatest_absolutist/common.py
+++ b/python/problems/functions/greatest_absolutist/common.py
@@ -6,7 +6,6 @@ from python.util import has_token_sequence, string_almost_equal, \
 from server.hints import Hint
 
 id = 196
-group = 'functions'
 number = 2
 visible = True
 
@@ -35,6 +34,10 @@ hint_type = {
 
 
 def test(python, code):
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', 'max_abs']):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : 'max_abs'}}]
+
     test_lists = [[6, 4, 2, 0],
                [4, 6, 2, 0],
                [4, 2, 6, 0],
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..a45f483 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'
 
@@ -101,7 +100,7 @@ V tem primeru se lahko zgodi, da se zanka ne izteče do konca.</p>''',
 Tudi to nalogo lahko rešimo s funkcijo <code>max</code>:</p>
 <pre>
 def max_abs(xs):
-    return max(xs, key = lambda x: abs(x))
+    return max(xs, key = abs(x))
 </pre>''',
 
 }
diff --git a/python/problems/functions/greatest_negative/common.py b/python/problems/functions/greatest_negative/common.py
index 5d65438..72754e2 100644
--- a/python/problems/functions/greatest_negative/common.py
+++ b/python/problems/functions/greatest_negative/common.py
@@ -6,7 +6,6 @@ from python.util import has_token_sequence, string_almost_equal, \
 from server.hints import Hint
 
 id = 197
-group = 'functions'
 number = 3
 visible = True
 
@@ -35,6 +34,10 @@ hint_type = {
 
 
 def test(python, code):
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', 'max_neg']):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : 'max_neg'}}]
+
     test_lists = [[6, 4, 2, 0],
                [4, 6, 2, -1],
                [4, -2, -6, 0],
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/functions/palindrome/common.py b/python/problems/functions/palindrome/common.py
new file mode 100644
index 0000000..eec8211
--- /dev/null
+++ b/python/problems/functions/palindrome/common.py
@@ -0,0 +1,68 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 228
+number = 7
+visible = True
+
+solution = '''\
+def palindrome(s):
+    return s == s[::-1]
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'palindrome'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        ('', True),
+        ('a', True),
+        ('aa', True),
+        ('ab', False),
+        ('aba', True),
+        ('abc', False),
+        ('abcdefedcba', True),
+        ('abcdefgedcba', False),
+        ('pericarezeracirep', True),
+        ('perica', False),
+    ]
+
+    test_in = [(func_name+'("%s")'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/palindrome/en.py b/python/problems/functions/palindrome/en.py
new file mode 100644
index 0000000..784c395
--- /dev/null
+++ b/python/problems/functions/palindrome/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 228
+name = 'Palindrome'
+slug = 'Palindrome'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/palindrome/sl.py b/python/problems/functions/palindrome/sl.py
new file mode 100644
index 0000000..e005057
--- /dev/null
+++ b/python/problems/functions/palindrome/sl.py
@@ -0,0 +1,33 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 228
+name = 'Palindrom'
+slug = 'Palindrom'
+
+
+description = '''\
+<p>
+Napišite funkcijo <code>palindrome(s)</code>, ki preveri, ali je niz s palindrom.
+<pre>
+>>> palindrome('pericarezeracirep')
+True
+>>> palindrome('perica')
+False
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/palindromic_numbers/common.py b/python/problems/functions/palindromic_numbers/common.py
new file mode 100644
index 0000000..6f49896
--- /dev/null
+++ b/python/problems/functions/palindromic_numbers/common.py
@@ -0,0 +1,70 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 229
+number = 8
+visible = True
+
+solution = '''\
+def palindromic_numbers():
+    xs = []
+    for i in range(100, 1000):
+        for j in range(100, 1000):
+            if str(i * j) == str(i * j)[::-1]:
+                xs.append(i * j)
+    return max(xs)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'numbers'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (906609, True),
+        (123456, False),
+        (1, True),
+        (11, True),
+        (12, False),
+        (113, False),
+        (131, True)
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/palindromic_numbers/en.py b/python/problems/functions/palindromic_numbers/en.py
new file mode 100644
index 0000000..5f4ea76
--- /dev/null
+++ b/python/problems/functions/palindromic_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 229
+name = 'Palindromic numbers'
+slug = 'Palindromic numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/palindromic_numbers/sl.py b/python/problems/functions/palindromic_numbers/sl.py
new file mode 100644
index 0000000..8d64bab
--- /dev/null
+++ b/python/problems/functions/palindromic_numbers/sl.py
@@ -0,0 +1,31 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 229
+name = 'Palindromska števila'
+slug = 'Palindromska števila'
+
+
+description = '''\
+<p>
+Največje palindromsko število, ki ga lahko dobimo kot produkt dveh dvomestnih števil je <code>9009 = 91 * 99</code>.
+Napišite funkcijo <code>palindromic_number()</code>, ki poišče in vrne največje palindromsko število,
+ki ga lahko dobimo kot produkt dveh tromestnih števil.
+
+Vir: Project Euler, <a href="http://projecteuler.net/index.php?section=problems&id=4">Problem 4</a>.
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/perfect_numbers/common.py b/python/problems/functions/perfect_numbers/common.py
new file mode 100644
index 0000000..72267e6
--- /dev/null
+++ b/python/problems/functions/perfect_numbers/common.py
@@ -0,0 +1,71 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 232
+number = 11
+visible = True
+
+solution = '''\
+def divisors_sum(n):
+    s = 0
+    for i in range(1, n):
+        if n % i == 0:
+            s += i
+    return s
+
+def perfect(n):
+    return n == divisors_sum(n)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'perfect'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (6, True),
+        (28, True),
+        (1, False),
+        (5, False),
+        (496, True),
+        (497, False),
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        n_correct += ans[0] == to
+        if ans[0] != to:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/perfect_numbers/en.py b/python/problems/functions/perfect_numbers/en.py
new file mode 100644
index 0000000..a7cb94e
--- /dev/null
+++ b/python/problems/functions/perfect_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 232
+name = 'Perfect numbers'
+slug = 'Perfect numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/perfect_numbers/sl.py b/python/problems/functions/perfect_numbers/sl.py
new file mode 100644
index 0000000..a354a17
--- /dev/null
+++ b/python/problems/functions/perfect_numbers/sl.py
@@ -0,0 +1,30 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 232
+name = 'Popolna števila'
+slug = 'Popolna števila'
+
+
+description = '''\
+<p>
+Napiši funkcijo <code>perfect(n)</code>, ki vrne <code>True</code>, če je podano število popolno, oz. <code>False</code>, če ni.
+Popolna števila so števila, ki so enaka vsoti svojih deliteljev (brez samega sebe).
+Primer popolnega števila je 28, saj so njegovi delitelji 1, 2, 4, 7, 14, njihova vsota, 1+2+4+7+14 pa je spet enaka 28.
+</p>
+<p> Uporabite funkcijo za vsoto deliteljev!</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
diff --git a/python/problems/functions/prime_numbers/common.py b/python/problems/functions/prime_numbers/common.py
new file mode 100644
index 0000000..33eb134
--- /dev/null
+++ b/python/problems/functions/prime_numbers/common.py
@@ -0,0 +1,69 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 234
+number = 13
+visible = True
+
+solution = '''\
+def prime(n):
+    for i in range(2, n):
+        for j in range(2, i):
+            if i % j == 0:
+                break
+        else:
+            print(i)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    func_name = 'prime'
+    tokens = get_tokens(code)
+    if not has_token_sequence(tokens, ['def', func_name]):
+        return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+    in_out = [
+        (3, [2]),
+        (10, [2, 3, 5, 7]),
+        (100, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]),
+    ]
+
+    test_in = [(func_name+'(%s)'%str(l[0]), None) for l in in_out]
+    test_out = [l[1] for l in in_out]
+
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    n_correct = 0
+    tin, tout = None, None
+    for i, (ans, to) in enumerate(zip(answers, test_out)):
+        numbers = sorted([int(n) for n in get_numbers(ans[1])])
+
+        if numbers == to:
+            n_correct += 1
+        else:
+            tin = test_in[i][0]
+            tout = to
+
+    passed = n_correct == len(test_in)
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/prime_numbers/en.py b/python/problems/functions/prime_numbers/en.py
new file mode 100644
index 0000000..87c01a2
--- /dev/null
+++ b/python/problems/functions/prime_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 234
+name = 'Prime numbers'
+slug = 'Prime numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/prime_numbers/sl.py b/python/problems/functions/prime_numbers/sl.py
new file mode 100644
index 0000000..f6c6b24
--- /dev/null
+++ b/python/problems/functions/prime_numbers/sl.py
@@ -0,0 +1,27 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 234
+name = 'Praštevila'
+slug = 'Praštevila'
+
+
+description = '''\
+<p>
+Napišite funkcijo <code>prime(n)</code>, ki izpiše vsa praštevila manjša od <code>n</code>.
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}