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danie1k/recursive_dict_counter.py

Created September 29, 2017 09:15
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Total recursive dict len counter
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recursive_dict_counter.py
# https://stackoverflow.com/a/35428134
def _counter(d):
# how many keys do we have?
yield len(d)
# stream the key counts of our children
for v in iter(d.values()):
if isinstance(v, dict):
for x in _counter(v):
yield x
def count_faster(d):
return sum(_counter(d))
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