"Devan L" wrote: > def flatten(iterable): > if not hasattr(iterable, '__iter__'): > return [iterable] > return sum([flatten(element) for element in iterable],[]) > Recursion makes things so much shorter.
The last line can faster and more compact by:
from itertools import imap
def flatten(iterable):
if not hasattr(iterable, '__iter__'):
return [iterable]
return sum(imap(flatten,iterable),[])
George
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