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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 = 244
number = 10
visible = True
solution = '''\
def mrange(s, r, l):
xs = []
for i in range(l):
xs.append(s)
s *= r
return xs
'''
hint_type = {
'final_hint': Hint('final_hint')
}
def test(python, code):
func_name = 'mrange'
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 = [
((32, 2, 0), []),
((32, 2, 1), [32]),
((32, 2, 2), [32, 64]),
((42, -1, 5), [42, -42, 42, -42, 42]),
((7, 4, 7), [7, 28, 112, 448, 1792, 7168, 28672]),
]
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
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