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First for Common Words solution in Clear category for Common Words by koyana222
def checkio(first, second):
first_list = first.split(",")
second_list = second.split(",")
first_set = set(first_list)
second_set = set(second_list)
common_set = first_set & second_set
common_list = sorted(list(common_set))
return ",".join(common_list)
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("hello,world", "hello,earth") == "hello", "Hello"
assert checkio("one,two,three", "four,five,six") == "", "Too different"
assert checkio("one,two,three", "four,five,one,two,six,three") == "one,three,two", "1 2 3"
July 14, 2019
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