bot.py

import discord
from discord.ext import commands
import random
from decouple import config
import os

TOKEN = config('DISCORD_TOKEN')

client = commands.Bot(command_prefix='!')


@client.command()
async def load(ctx, extension):
    client.load_extension(f'cogs.{extension}')

@client.command()
async def unload(ctx, extension):
    client.unload_extension(f'cogs.{extension}')

@client.command()
async def reload(ctx, extension):
    client.unload_extension(f'cogs.{extension}')
    client.load_extension(f'cogs.{extension}')

for filename in os.listdir('./cogs'):
    if filename.endswith('.py'):
        client.load_extension(f'cogs.{filename[:-3]}')


client.run(TOKEN)