처음 하라는대로 했는데 오류가 나서 이것저것 찾아보다가 certifi깔면 된다해서 깔아보았는데요 그래도 오류가 나오네요

어떻게 해결해야하나요

제가 입력한 코드와 오류메세지 입니다.

입렵한코드

from pymongo import MongoClient

import certifi

ca = certifi.where()

client = MongoClient('mongodb+srv://cameliahong:<sparta>@cluster0.jxsay.mongodb.net/Cluster0?retryWrites=true&w=majority', tlsCAFile=ca)

db = client.dbsparta

doc = {

   'name':'bob',

   'age':27

}

db.users.insert_one(doc)

나온오류메세지

Users/hongleira/Desktop/sparta/pythonprac/venv/bin/python /Users/hongleira/Desktop/sparta/pythonprac/dbprac.py

Traceback (most recent call last):

  File "/Users/hongleira/Desktop/sparta/pythonprac/dbprac.py", line 13, in <module>

   db.users.insert_one(doc)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/collection.py", line 621, in insert_one

   self._insert_one(

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/collection.py", line 562, in _insert_one

   self.__database.client._retryable_write(acknowledged, _insert_command, session)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1448, in _retryable_write

   return self._retry_with_session(retryable, func, s, None)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1321, in _retry_with_session

   return self._retry_internal(retryable, func, session, bulk)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/_csot.py", line 105, in csot_wrapper

   return func(self, *args, **kwargs)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1353, in _retry_internal

   with self._get_socket(server, session) as sock_info:

  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/contextlib.py", line 113, in __enter__

   return next(self.gen)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1189, in _get_socket

   with server.get_socket(handler=err_handler) as sock_info:

  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/contextlib.py", line 113, in __enter__

   return next(self.gen)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/pool.py", line 1406, in get_socket

   sock_info = self._get_socket(handler=handler)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/pool.py", line 1519, in _get_socket

   sock_info = self.connect(handler=handler)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/pool.py", line 1377, in connect

   sock_info.authenticate()

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/pool.py", line 869, in authenticate

   auth.authenticate(creds, self)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/auth.py", line 549, in authenticate

   auth_func(credentials, sock_info)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/auth.py", line 475, in _authenticate_default

   return _authenticate_scram(credentials, sock_info, "SCRAM-SHA-1")

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/auth.py", line 241, in _authenticate_scram

   res = sock_info.command(source, cmd)

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/pool.py", line 766, in command

   return command(

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/network.py", line 166, in command

   helpers._check_command_response(

  File "/Users/hongleira/Desktop/sparta/pythonprac/venv/lib/python3.8/site-packages/pymongo/helpers.py", line 181, in _check_command_response

   raise OperationFailure(errmsg, code, response, max_wire_version)

pymongo.errors.OperationFailure: bad auth : Authentication failed., full error: {'ok': 0, 'errmsg': 'bad auth : Authentication failed.', 'code': 8000, 'codeName': 'AtlasError'}

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