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halexus/More Functional (map, fold).py

Created January 19, 2012 07:46
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One line solutions (without imports) in Python2 to Lambdaheads 2012-01-09 challenge https://metalab.at/wiki/Lambdaheads
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gistfile1.py
from itertools import permutations
print '|'.join([''.join(comb) for comb in set(list(permutations(("YYYY", "MM", "DD"))) + list(permutations(("YYYY", "MM", "DD"), 2)) + list(permutations(("YYYY", "MM", "DD"), 1)) + list(permutations(("YY", "MM", "DD"))) + list(permutations(("YY", "MM", "DD"), 2)) + list(permutations(("YY", "MM", "DD"), 1)))])
Raw
More Functional (map, fold).py
from itertools import permutations
print '|'.join(map(''.join, reduce(lambda x, y: x | y, [set(permutations(("YYYY", "MM", "DD"), i)) for i in range(1,4)] + [set(permutations(("YY", "MM", "DD"), i)) for i in range(1,4)])))
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