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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 remove_cog(self, name):
 """Removes a cog from the bot. All registered commands and event listeners that the cog has registered will be removed as well. If no cog is found then this method has no effect. Parameters name: :class:`str` The name of the cog to remove. """


        cog = self.__cogs.pop(name, None)
        if cog is None:
            return

        help_command = self._help_command
        if help_command and help_command.cog is cog:
            help_command.cog = None
        cog._eject(self)