text: import discord
  import asyncio
  
  class MyClient(discord.Client):
      async def on_ready(self):
          print('Connected!')
          print('Username: {0.name}\nID: {0.id}'.format(self.user))
  
      async def on_message(self, message):
          if message.content.startswith('!editme'):
              msg = await message.channel.send('10')
              await asyncio.sleep(3.0)
              await msg.edit(content='40')
  
      async def on_message_edit(self, before, after):
          fmt = '**{0.author}** edited their message:\n{0.content} -> {1.content}'
          await before.channel.send(fmt.format(before, after))
  
  client = MyClient()
  client.run('token')
  