discord py find channel by id

1channel = discord.utils.get(server.channels, name="Channel_name_here", type="ChannelType.voice") 

1channel_names = ['channel1', 'channel2', 'channel3']
2for ch in channel_names:
3    channel = discord.get.utils(server.channels, name=ch, type="ChannelType.voice")
4    full(channel)

1channel_id = 747076221484924998 # must be an int and a valid channel id
2channel = bot.get_channel(channel_id)
3await ctx.send(f"The given channel is {channel.mention} with the id {channel.id}")