<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def inverse(self):
 """Return the inverse operator. Examples -------- True True """

        if self.scalar == 0.0:
            raise ZeroDivisionError('scaling operator not invertible for '
                                    'scalar==0')
        return ScalingOperator(self.domain, 1.0 / self.scalar)