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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 play(self, ctx, *, query):
 """Plays a file from the local filesystem"""


        source = discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(query))
        ctx.voice_client.play(source, after=lambda e: print('Player error: %s' % e) if e else None)

        await ctx.send('Now playing: {}'.format(query))