It has the following features:
- Change Pin (with a default pin of 0000)
- Account balance
- Withdraw funds
- Deposit funds
- Cancel/Exit (selecting this option should exit the program)
The flow of the program is as follows : Run the cli program, A prompt asking you to enter your pin is displayed, once the entered pin is successful, display menu options for the operations that can be carried out in your cli program. When a user completes an operation, it will ask if they want to perform another operation before finally exiting the program.