Многопоточность в Python, отслеживание стоимости нескольких акций

import bs4
import requests
from bs4 import BeautifulSoup
import discord
from discord.ext import commands
from config import settings
import threading
 
 
bot = commands.Bot(command_prefix = settings['prefix'], help_command=None)
 
 
@bot.event
async def on_message(message):
    await bot.process_commands(message)
    channel = message.channel
    co = '{0.content}'.format(message).split()
    tes=co[0]
    if tes=='price':
        yo=co[1]
        headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0'
        }
 
        def stock_price(stock_code):
            r = requests.get(
                ('https://finance.yahoo.com/quote/') + stock_code + ('?p=') + stock_code + ('.tsrc=fin-srch'),
                headers=headers)
            soup = BeautifulSoup(r.text, 'lxml')
            content = soup.find('div', {"class": 'My(6px) Pos(r) smartphone_Mt(6px)'}).find('span').text
 
            return content
 
        stock = yo.split()
 
        price = []
        for stock_code in stock:
            price.append(stock_price(stock_code))
        print(stock, price)
        st=str(stock).replace("['", "").replace("']", "")
        pr=str(price).replace("['","").replace("']","")
        await channel.send(f'{st} - {pr}')
 
 
    elif tes=='limit':
        p=co[1]
        su=co[2]
        pp=str(su).replace("['","").replace("']","")
        ppp=float(pp)
 
        headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0'
        }
 
        def stock_price(stock_code):
            r = requests.get(
                ('https://finance.yahoo.com/quote/') + stock_code + ('?p=') + stock_code + ('.tsrc=fin-srch'),
                headers=headers)
            soup = BeautifulSoup(r.text, 'lxml')
            content = soup.find('div', {"class": 'My(6px) Pos(r) smartphone_Mt(6px)'}).find('span').text
 
            return content
 
        stock = p.split()
 
        while True:
            price = []
            for stock_code in stock:
               price.append(stock_price(stock_code))
 
            ce=str(price).replace("['","").replace("']","")
            cena=float(ce)
            if cena>=ppp:
                await channel.send("достиг")
                break
 
            print(stock, price)
 
bot.run(settings['token'])