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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 plonks(self, ctx):
 """Shows members banned from the bot."""

        plonks = self.config.get('plonks', {})
        guild = ctx.message.server
        db = plonks.get(guild.id, [])
        members = '\n'.join(map(str, filter(None, map(guild.get_member, db))))
        if members:
            await self.bot.responses.basic(title="Plonked Users:", message=members)
        else:
            await self.bot.responses.failure(message='No members are banned in this server.')