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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 _create_channel(self, channel):
 """ Create channel with optional ban and invite exception lists. """

        super()._create_channel(channel)
        if 'EXCEPTS' in self._isupport:
            self.channels[channel]['exceptlist'] = None
        if 'INVEX' in self._isupport:
            self.channels[channel]['inviteexceptlist'] = None