def __str__(self):
        """str(self)"""
        if self._denominator == 1:
            return str(self._numerator)
        else:
            return (self._numerator, self._denominator) % '%s/%s'
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/fractions.py/Fraction.__str__/swapped operands of `%`