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tioover/P

Last active December 23, 2015 12:49
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P
def P(list, prev=None):
if prev is None:
prev = []
if not list:
print(prev)
return
for i in list:
nprev = prev[:]
nprev.append(i)
nlist = list[:]
nlist.remove(i)
P(nlist, nprev)
P([1, 2, 3, 4, 5])
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