Discord Bot | General Structure

import discord

client = discord.Client()

@client.event
async def on_ready():
  print('Logged in as {}'.format(client))

@client.event
async def on_message(message):
  if message.author == client.user:
    return

  if message.content == 'Hello':
    await message.channel.send('Hi')

client.run(YourToken)