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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:
 async def unignore_all(self, ctx):
 """Unignores all channels in this server from being processed. To use this command you must have the Manage Channels permission or have the Bot Admin role. """

        channels = [c for c in ctx.message.server.channels if c.type is discord.ChannelType.text]
        await ctx.invoke(self.unignore, *channels)