parameters: (self, id)
return_statement: return id in self._m
docstring: Returns whether the given id is known.
docstring_summary: Returns whether the given id is known.
docstring_tokens: Returns whether the given id is known .
function: def k(self, id):
          """
          Returns whether the given id is known."""
          return id in self._m
function_tokens: def k ( self , id ) : return id in self . _m