You are asked to develop a Command Line Interface (CLI) to simulate an interaction of an ATM with a retail bank.
-
login [name]- Logs in as this customer and creates the customer if not exist -
deposit [amount]- Deposits this amount to the logged in customer -
withdraw [amount]- Withdraws this amount from the logged in customer -
transfer [target] [amount]- Transfers this amount from the logged in customer to the target customer -
logout- Logs out of the current customer
Your console output should contain at least the following output depending on the scenario and commands. But feel free
to add extra output as you see fit.
$ login Alice
Hello, Alice!
Your balance is $0
$ deposit 100
Your balance is $100
$ logout
Goodbye, Alice!
$ login Bob
Hello, Bob!
Your balance is $0
$ deposit 80
Your balance is $80
$ transfer Alice 50
Transferred $50 to Alice
your balance is $30
$ transfer Alice 100
Transferred $30 to Alice
Your balance is $0
Owed $70 to Alice
$ deposit 30
Transferred $30 to Alice
Your balance is $0
Owed $40 to Alice
$ logout
Goodbye, Bob!
$ login Alice
Hello, Alice!
Your balance is $210
Owed $40 from Bob
$ transfer Bob 30
Your balance is $210
Owed $10 from Bob
$ logout
Goodbye, Alice!
$ login Bob
Hello, Bob!
Your balance is $0
Owed $10 to Alice
$ deposit 100
Transferred $10 to Alice
Your balance is $90
$ logout
Goodbye, Bob!