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<oerjan> learn `3 is the crazy sibling of `1, `2, `4 and `5.
author HackBot
date Sat, 20 May 2017 08:09:52 +0000
parents 7f957c1f4661
children c3d85315f276
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fun fact 0 = 1 | fact n = n * fact (n - 1)