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forrestchang/flatten.py

Created February 22, 2017 13:08
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Flatten (an irregular) list of lists in Python
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flatten.py
# http://stackoverflow.com/questions/2158395/flatten-an-irregular-list-of-lists-in-python
def flatten(nested_list):
for i in nested_list:
if isinstance(i, collections.Iterable) and not isinstance(i, (str, bytes)):
yield from flatten(i)
else:
yield i
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