Task 2

program starts, asks user id, and corespondent id.

commands

• exit program exits this is displayed in console when running the program

Task 3

Task 3 follows the same proccess as Task 2. but implements additional commands to block and unblock correspondents

• exit program exits
• -b <user> block a user
• -u <user> unblocks user

These are displayed in console when running the program