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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 preconstrain_flag_page(self, magic_content):
 """ Preconstrain the data in the flag page. :param magic_content: The content of the magic page as a bytestring. """

        for m, v in zip(magic_content, self.state.cgc.flag_bytes):
            self.preconstrain(m, v)