2018-05-12 11:37:19 +02:00
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Napisz funkcję common_chars(string1, string2), która zwraca alfabetycznie
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uporządkowaną listę wspólnych liter z lańcuchów string1 i string2.
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Oba napisy będą składać się wyłacznie z małych liter.
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"""
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def common_chars(string1, string2):
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2018-05-31 22:32:16 +02:00
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string1 = set(string1.replace(" ", ""))
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string2 = set(string2.replace(" ", ""))
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common = []
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for a1 in string1:
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for a2 in string2:
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if a1 == a2:
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common.append(a1)
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common.sort()
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return common
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2018-05-12 11:37:19 +02:00
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def tests(f):
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inputs = [["this is a string", "ala ma kota"]]
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outputs = [['a', 't']]
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for input, output in zip(inputs, outputs):
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if f(*input) != output:
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return "ERROR: {}!={}".format(f(*input), output)
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break
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return "TESTS PASSED"
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if __name__ == "__main__":
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print(tests(common_chars))
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