parameters: (self, other)
return_statement: return self._keep_positive()
docstring: Inplace add from another counter, keeping only positive counts.
  
          >>> c = Counter('abbb')
          >>> c += Counter('bcc')
          >>> c
          Counter({'b': 4, 'c': 2, 'a': 1})
docstring_summary: Inplace add from another counter, keeping only positive counts.
docstring_tokens: Inplace add from another counter keeping only positive counts .
function: def __iadd__(self, other):
          '''Inplace add from another counter, keeping only positive counts.
  
          >>> c = Counter('abbb')
          >>> c += Counter('bcc')
          >>> c
          Counter({'b': 4, 'c': 2, 'a': 1})
  
          '''
          for elem, count in other.items():
              self[elem] += count
          return self._keep_positive()
function_tokens: def __iadd__ ( self , other ) : for elem , count in other . items ( ) : self [ elem ] += count return self . _keep_positive ( )