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First solution in Clear category for Common Words by janusztracz73ms
def checkio(first, second):
first = first.lower().split(",")
second = second.split(",")
ooutput = []
for y in second:
for x in first:
if y == x:
ooutput.append(y + ",")
print(ooutput)
ooutput = sorted(ooutput)
ouutput = "".join(ooutput)
ouutput = ouutput[:len(ouutput)-1]
print(ouutput)
return ouutput
#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,two,three", "1 2 3"
Oct. 25, 2016