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mebusw/multi-derivation.py

Last active August 19, 2016 13:50
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generate sequence with char array, like column names of MS Excel does.
Raw
multi-derivation.py
def g(L):
for i in L:
yield i
for i in [ x+y for x in L for y in L]:
yield i
gg=g(['A', 'B', 'C'])
for i in xrange(15):
print next(gg)
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