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# 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
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