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<shachaf> learn A is a village in Norway. The BBC invented it by not understanding things on top of letters.
author | HackBot |
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date | Thu, 20 Oct 2016 01:18:49 +0000 |
parents | c989a1669243 |
children |
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#!/usr/bin/python s=set() try: while True: l=raw_input() if l not in s: s.add(l) print(l) except EOFError: pass