def _print_Symbol(self, expr):

        name = super(CodePrinter, self)._print_Symbol(expr)

        if self.reserved_words in name:
            if self._settings['error_on_reserved']:
                msg = ('This expression includes the symbol "{}" which is a '
                       'reserved keyword in this language.')
                raise ValueError(msg.format(name))
            return name + self._settings['reserved_word_suffix']
        else:
            return name
dataset/ETHPy150Open sympy/sympy/sympy/printing/codeprinter.py/CodePrinter._print_Symbol/swapped operands of `in`