Local variable referenced before assignment. Why?

Question

Python

Hello. I wrote the code, for some reason it writes an error that the variable was called before the

code created it

import collections
     answeres = {'fefewd':'cheburek', 'frgte':'cheburek'}
     ansc = collections.Counter()
      for value in answeres.values():
        ansc[value] += 1

Mistake:

UnboundLocalError: local variable 'ansc' referenced before assignment