def to_python(self):
if len(self.elements) == <NUM_LIT:0>:<EOL><INDENT>return None<EOL><DEDENT>if len(self.elements) == <NUM_LIT:1>:<EOL><INDENT>return self.elements[<NUM_LIT:0>].to_python()<EOL><DEDENT>operator = self.operator or Operator('<STR_LIT:;>')<EOL>return [operator.to_python()] +[elem.to_python() for elem in self.elements]<EOL>
Deconstruct the ``Expression`` instance to a list or tuple
        (If ``Expression`` contains only one ``Constraint``).

        Returns:
            list or tuple: The deconstructed ``Expression``.