Sort Counter by value - python

0 votes

Is there a pythonic way to sort Counter by value? If so, it is faster than this:

>>> from collections import Counter
>>> x = Counter({'a':1, 'b':2, 'c':3})
>>> sorted(x)
['a', 'b', 'c']
>>> sorted(x.items())
[('a', 1), ('b', 2), ('c', 3)]
>>> [(l,k) for k,l in sorted([(j,i) for i,j in x.items()])]
[('a', 1), ('b', 2), ('c', 3)]
>>> [(l,k) for k,l in sorted([(j,i) for i,j in x.items()], reverse=True)]
[('c', 3), ('b', 2), ('a', 1)

Nov 13, 2018 in Python by findingbugs
• 3,260 points
1,537 views

1 answer to this question.

0 votes

>>> x = Counter({'a':1, 'b':2, 'c':3})
>>> sorted(x.items(), key=lambda k: -k[1]) # Ascending
[('a', 1), ('b', 2), ('c', 3)]

answered Nov 13, 2018 by Priyaj
• 58,020 points

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