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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 _print_percent(self):
        '''Print how much is done in percentage.'''
        fraction_done = ((self.continue_value or 0 + self.current_value) /
                         self.max_value)

        self._print('{fraction_done:.1%}'.format(fraction_done=fraction_done))