kubat aytekin <kubatayte...@yahoo.com.tr> added the comment:
Or keep the reverse mapping in another dict:
count = Counter()
reverse_mapping = dict()
for x in all_the_items:
count.update(keyfunc(x))
reverse_mapping[keyfunc(x)] = x
Anyways I'm closing it as it is a partial duplicate of key-transforming
dictionaries.
----------
resolution: -> duplicate
stage: -> resolved
status: open -> closed
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue45338>
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