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Clarify that example in comment is about fromkeys() (GH-8141)

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Raymond Hettinger 2018-07-06 08:52:26 -07:00 • committed by GitHub
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Lib/collections/__init__.py
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@ -610,7 +610,7 @@ class Counter(dict):
@classmethod
def fromkeys(cls, iterable, v=None):
# There is no equivalent method for counters because the semantics
# would be ambiguous in cases such as Counter('aaabbc', v=2).
# would be ambiguous in cases such as Counter.fromkeys('aaabbc', v=2).
# Initializing counters to zero values isn't necessary because zero
# is already the default value for counter lookups. Initializing
# to one is easily accomplished with Counter(set(iterable)). For