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axiaoxin/flatten-list-mrluanma

Created March 31, 2015 17:31
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flatten-list-mrluanma
flatten = lambda lst: reduce(lambda l, i: l + flatten(i) if isinstance(i, (list, tuple)) else l + [i], lst, [])
print flatten([2, [2, [4, 5, [7], [2, [6, 2, 6, [6], 4]], 6]]])
# [2, 2, 4, 5, 7, 2, 6, 2, 6, 6, 4, 6]
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