如何从Node.js获取回调数据？

Question

// connect.js

const MongoCliente = require（'mongodb'）。MongoClient; const url =“ mongodb：// localhost /”;

const cliente = new MongoCliente（url）;

import requests
from bs4 import BeautifulSoup

website_url = requests.get('https://www.ishares.com/uk/individual/en/products/etf-product-list#!type=emeaIshares&tab=overview&view=list').text
My_table = soup.find('td',{'class':' colLocalExchangeTicker mobile-on'})

My_table == None

我希望收到db对象来执行Crud操作，但是 返回未定义的值。