parameters: (self)
return_statement: return self.grouper.groups
docstring: Dict {group name -> group labels}.
docstring_summary: Dict {group name -> group labels}.
docstring_tokens: Dict { group name - > group labels } .
function: def groups(self):
          """
          Dict {group name -> group labels}.
          """
          self._assure_grouper()
          return self.grouper.groups
function_tokens: def groups ( self ) : self . _assure_grouper ( ) return self . grouper . groups