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First solution in Clear category for Common Words by Sjama
def checkio(line1: str, line2: str) -> str:
return ",".join(sorted(set(line1.split(",")).intersection(set(line2.split(",")))))
#set(line.split(",")) creates a list of the words and converts it to a set
#being a set we can use the intersection method (x.intersection(y) returns a set containing only items that are present in both x & y)
#the resulting set is joined into a string with a "," in between as the exercise requires
if __name__ == '__main__':
print("Example:")
print(checkio('hello,world', 'hello,earth'))
# These "asserts" are used for self-checking and not for an auto-testing
assert checkio('hello,world', 'hello,earth') == 'hello'
assert checkio('one,two,three', 'four,five,six') == ''
assert checkio('one,two,three',
'four,five,one,two,six,three') == 'one,three,two'
print("Coding complete? Click 'Check' to earn cool rewards!")
May 25, 2021
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