Counter in Collections module Python

Question

I\'ve come across a really weird problem. I\'m trying to use Counter function in collections module. However, I keep getting the same error message

Attribut         


        

Answer 1

The Counter class was added to the module in Python 2.7. You are most likely using Python 2.6 or older. From the collections.Counter() documentation:

New in version 2.7.

On python 2.5 or 2.6, use this backport instead.