app.py

import discord
from discord.ext import commands

config = {
    'token': 'MTEzNTU5NzMwMTIxNDIyNDQ2NA.GEKXfh.Yua9UadqQeE8BYNI0aaqI0AmI3pC_GMeI7CiJ0',
    'prefix': '!',
}

bot = commands.Bot(command_prefix=config['prefix'])

@bot.event
async def on_message(ctx):
    if ctx.author != bot.user:
        await ctx.reply(ctx.content)

bot.run(config['token'])