2017-11-18 16:45:28 +01:00
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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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2017-11-19 10:42:39 +01:00
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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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2017-11-18 16:45:28 +01:00
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"""
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def common_chars(string1, string2):
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2017-11-23 17:47:55 +01:00
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string1_list = set([n for n in string1 if n != ' '])
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string2_list = set([n for n in string2 if n != ' '])
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common_letter_list = sorted([n for n in string1_list if n in string2_list and n != ' '])
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return common_letter_list
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2017-11-18 16:45:28 +01:00
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def tests(f):
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2017-11-19 10:42:39 +01:00
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inputs = [["this is a string", "ala ma kota"]]
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outputs = [['a', 't']]
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2017-11-18 16:45:28 +01:00
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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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