https://stackoverflow.com/questions/63998322/discord-py-command-prefix-not-calling-out-commands/63998758?noredirect=1

import os
import discord
from discord.ext import commands


players = {}

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

@client.event
async def on_ready():
    print(f'{client.user} has connected to Discord!')
    await client.change_presence(activity=discord.Game(name="with your words!"))
    # called_once_an_hour.start()

@client.command()
async def test(ctx):
    await ctx.send('test')

@client.command()
async def join(ctx):
    channel = ctx.message.author.voice.voice_channel
    await client.join_voice_channel(channel)

@client.command(pass_context = True)
async def leave(ctx):
    server = ctx.message.server
    voice_client = client.voice_client_in(server)
    await voice_client.disconnect()

@client.command(pass_context = True)
async def play(ctx):
    server = ctx.message.server
    voice_client = client.voice_client_in(server)
    player = await voice_client.create_ytdl_player('https://www.youtube.com/watch?v=YMw-9mXfccY')
    players[server.id] = player
    player.start()
    print(f"Playing Are you winning son in server voice client: {voice_client}")


client.run(os.environ.get('TOKEN'))