[Python] How to make discord.py bot delete its own message after some time?

I have this code in Python:

import discord
client = commands.Bot(command_prefix='!')

@client.event
async def on_voice_state_update(member):
channel = client.get_channel(channels_id_where_i_want_to_send_message))
response = f'Hello {member}!'
await channel.send(response)

client.run('bots_token')



And I want the bot to delete its own message. For example, after one minute, how do I do it?

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