Create a command-line contact book application to store and manage contact information.
- Initialize a Python project and set up a virtual environment.
 
- Implement functions to:
- Add contacts
 - Remove contacts
 - Update contacts
 - Display contacts
 
 - Store contact information (name, phone number, email) in a text file or CSV file.
 - Provide a user-friendly command-line interface.
 
- Test the application with various contacts.
 
- Provide instructions on how to use the contact book.
 - Provide a guide on how to play the quiz game.
 
- Make a simple UI using Flask.
 
