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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def mutate(self):
        '''
        Mutate to next state

        :return: True if mutated, False if not
        '''
        self._get_ready()
        if self._is_last_index():
            return False
        self._current_index += 1
        self._mutate()
        return True