send message in specific channel discord py

1channel = client.get_channel(12324234183172)
2await channel.send('hello')
3

1#1
2message = ctx.send("text")
3#2
4message = channel.send("text")
5#3
6message = channel.fetch_message(messageid)
7#add reaction to message
8emoji = '\N{THUMBS UP SIGN}'
9await message.add_reaction(emoji)

1channel = client.get_channel(12324234183172) #channel id here
2await channel.send('hello')
3

1"""SEND MESSAGE IN SPECIFIC CHANNEL"""
2@client.command()
3async def announce(ctx, channel: discord.TextChannel):
4		await channel.send("My text")