 
  
   
  
  import datetime
channels = {}
d = datetime.datetime.today() - datetime.timedelta(days=1)
for channel in ctx.guild.text_channels:
    if channel.permissions_for(channel.guild.get_member(user_id)).view_channel:
        messages = 0
    async for message in channel.history(limit=100000, after=d):
        messages += 1
    channels[channel.id] = messages
c = 0
top_channels = ""
while c != 5:
    h = max(channels, key=channels.get)
    channel = discord.utils.get(guild.text_channels, id=h)
    top_channels += f"`{c + 1}`. {channel.mention}: {channels[h]}\n"
    channels.pop(h)
    c += 1
yield top_channels