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# coding=utf-8
from python.util import has_token_sequence, string_almost_equal, \
string_contains_number, get_tokens
from server.hints import Hint, HintSequence
id = 185
group = 'while_and_if'
number = 1
visible = True
solution = '''\
vsota = 0
i = 0
while i < 5:
vsota += int(input('Cena artikla: '))
i += 1
print('Vsota:', vsota)
'''
hint_type = {
'plan': HintSequence('plan', 5),
'name_error': Hint('name_error'),
'type_error': Hint('name'),
'error': Hint('error'),
'printing': Hint('printing'),
}
def test(python, code):
# List of inputs: (expression to eval, stdin).
test_in = [
(None, '1\n1\n1\n1\n1\n'),
(None, '1\n2\n3\n4\n5\n'),
(None, '1\n2\n0\n3\n-1\n'),
(None, '5\n4\n3\n11\n7\n'),
(None, '0\n0\n0\n0\n0\n'),
]
test_out = [
5,
15,
5,
29,
0,
]
# List of outputs: (expression result, stdout, stderr, exception).
answers = python(code=code, inputs=test_in, timeout=1.0)
outputs = [ans[1] for ans in answers]
n_correct = 0
for output, correct in zip(outputs, test_out):
if string_contains_number(output, correct):
n_correct += 1
return n_correct, len(test_in)
def hint(python, code):
# run one test first to see if there are any exceptions
test_in = [(None, '1\n1\n1\n1\n1\n')]
answer = python(code=code, inputs=test_in, timeout=1.0)
exc = answer[0][3]
# if have an exception!
if exc:
if 'NameError' in exc:
return [{'id':'name_error', 'args': {'message': exc}}]
elif 'TypeError' in exc:
return [{'id':'type_error', 'args': {'message': exc}}]
else:
return [{'id':'error', 'args': {'message': exc}}]
# student is not using print function
if not has_token_sequence(code, ['print']):
return [{'id' : 'printing'}]
return None
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