* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

알려주신대로 했는데 에러가 났습니다. 도와주세요!

/Users/jeongsoyeon/Desktop/sparta/pythonprac/venv/bin/python /Users/jeongsoyeon/Desktop/sparta/pythonprac/hello.py 

Traceback (most recent call last):

 File "/Users/jeongsoyeon/Desktop/sparta/pythonprac/hello.py", line 6, in <module>

  db = client.dbsparta

NameError: name 'client' is not defined

에러 내용

import requests
from bs4 import BeautifulSoup

from pymongo import MongoClient
import certifi
db = client.dbsparta

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'}
data = requests.get('https://movie.naver.com/movie/sdb/rank/rmovie.naver?sel=pnt&date=20210829', headers=headers)

soup = BeautifulSoup(data.text, 'html.parser')

# 코딩 시작

print(soup)

title = soup.select_one('#old_content > table > tbody > tr:nth-child(2) > td.title > div > a')
print(title.text)


movies = soup.select('#old_content > table > tbody > tr')

for movie in movies:
    a = movie.select_one('td.title > div > a')
    if a is not None:
        title = a.text
        rank = movie.select_one('td:nth-child(1) > img')['alt']
        star = movie.select_one('td.point').text
        doc = {
            'title':title,
            'rank':rank,
            'star':star
        }
        db.movies.insert_one(doc)