Closed as not planned
Description
Bug report
Bug description:
# Add a code block here, if required
``` >>>
here is a part of python doc string for Counter class in Collection module. there is a miscounting ! the count of letter a was 5 and after adding by one it became 7 instead of 6 !
c['a'] # count of letter 'a'
5
>>> for elem in 'shazam': # update counts from an iterable
... c[elem] += 1 # by adding 1 to each element's count
>>> c['a'] # now there are seven 'a'
7
### CPython versions tested on:
3.10
### Operating systems tested on:
Linux