3 files changed, 103 insertions, 0 deletions
diff --git a/python/problems/functions_and_modules/caesar_cipher/common.py b/python/problems/functions_and_modules/caesar_cipher/common.py
new file mode 100644
index 0000000..494a7f9
--- /dev/null
+++ b/python/problems/functions_and_modules/caesar_cipher/common.py
@@ -0,0 +1,52 @@
+# 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 = 243
+group = 'functions_and_modules'
+number = 9
+visible = True
+
+solution = '''\
+def caesar(s):
+    cipher = ''
+    for c in s:
+        if 'a' <= c <= 'w':
+            cipher += chr(ord(c) + 3)
+        elif 'x' <= c <= 'z':
+            cipher += chr(ord(c) - 23)
+        else:
+            cipher += c
+    return cipher)
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    test_in = [1]
+    n_correct = 0
+
+    passed = n_correct == len(test_in)
+    tin = None
+    tout = None
+    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_and_modules/caesar_cipher/en.py b/python/problems/functions_and_modules/caesar_cipher/en.py
new file mode 100644
index 0000000..bcfedee
--- /dev/null
+++ b/python/problems/functions_and_modules/caesar_cipher/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 243
+name = 'Caesar cipher'
+slug = 'Caesar cipher'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions_and_modules/caesar_cipher/sl.py b/python/problems/functions_and_modules/caesar_cipher/sl.py
new file mode 100644
index 0000000..ea4d9c8
--- /dev/null
+++ b/python/problems/functions_and_modules/caesar_cipher/sl.py
@@ -0,0 +1,35 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 243
+name = 'Cezarjeva šifra'
+slug = 'Cezarjeva šifra'
+
+
+description = '''\
+<p>
+Napišite funkcijo <code>caesar(s)</code>, ki podan niz zašifrira z uporabo <a href="http://sl.wikipedia.org/wiki/Cezarjeva_%C5%A1ifra">cezarjeve šifre</a>.
+Preden se lotite naloge, se je morda vredno pozanimati kaj počneta funkciji
+<a href="https://docs.python.org/3.5/library/functions.html#ord">ord</a> in
+<a href="https://docs.python.org/3.5/library/functions.html#chr">chr</a>.
+Predpostavite lahko, da niz <code>s</code> vsebuje le male črke angleške besede in presledke.
+<pre>
+>>> caesar('the quick brown fox jumps over the lazy dog')
+'wkh txlfn eurzq ira mxpsv ryhu wkh odcb grj'
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}