Update app1.py

app1.py

@@ -3,7 +3,7 @@ import pymongo
 
 ############################## MongoDB Config ##############################
 # Create a new client and connect to the server
-uri = "mongodb+srv://<password>@cluster0.9yunmwy.mongodb.net/?retryWrites=true&w=majority"  # Put your connection string into it
+uri = "mongodb+srv://yaqiu8025:ZNjfJYRIZVVvshkz@cluster0.yczxpur.mongodb.net/?retryWrites=true&w=majority""  # Put your connection string into it
 client = pymongo.MongoClient(uri)
 db = client[
     'todo']  # Connect to a Database (MongoDB will create the database if it does not exist, and make a connection to it.)