(self, e)
return e.variables
Returns the symbolic variables present in the AST of `e`.
Returns the symbolic variables present in the AST of `e`.
Returns the symbolic variables present in the AST of e .
def variables(self, e): #pylint:disable=no-self-use
        """
        Returns the symbolic variables present in the AST of `e`.
        """
        return e.variables
def variables ( self , e ) : #pylint:disable=no-self-use return e . variables