out of "order"
The words are out of order, so it didn't count it.. My code:
a= first.split(",") b= second.split(",") c = "" for x in a: for y in b: if x == y: c = c + " " + y return c.strip().replace(" ", ",")
My result: one,two,three the "correct" result: one,three,two
Come on now... :P
From: http://www.checkio.org/mission/common-words/solve/
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