How to use list list to realize CRUD operation function in Python

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The requirements are as follows:

1. Interface list

Welcome to user management system 1 add user 2 delete user 3 modify user 4 query user 5 exit

two。 Delete, modify, query, operate according to id

3. Items that are not deleted, modified or queried are given the corresponding hints, and the results of the operation are given as hints.

4. Initialize 3 users

5. The user has an attribute id,name,password, which uses three lists to save data.

The code is as follows:

# user management system # initialize 3 users ids = ['1 'root','abc123''] names = ['Zhang San','Li Si', 'Wang Wu'] pws = ['root','abc123'' '123456'] # create menu print ("= Welcome to user management system = =") print ("1 add user") print ("2 delete user") print ("3 modify user") print ("4 query user") print ("5 exit") type = int ("Please select:") while type > = 1 and type