get id from channel mention discord.py code example

Example 1: Discord py get channel ID by name

@bot.command()
async def get_channel(ctx, *, given_name=None):
    for channel in ctx.guild.channels:
        if channel.name == given_name:
            wanted_channel_id = channel.id

    await ctx.send(wanted_channel_id) # this is just to check

Example 2: discord.py get channel id by channel name

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