parameters: (self)
return_statement: return self.name()
docstring: Returns a string showing the mathematical expression.
docstring_summary: Returns a string showing the mathematical expression.
docstring_tokens: Returns a string showing the mathematical expression .
function: def __str__(self) -> str:
          """Returns a string showing the mathematical expression.
          """
          return self.name()
function_tokens: def __str__ ( self ) -> str : return self . name ( )