ATM Machine Simulation

Simulate the operations of an ATM machine. First, the customer is prompted to enter his personal identification number pin (for this case study, we test only if this pin is formed by 4 digits, otherwise a message like “Invalid PIN, try again…” will be displayed) and the user is re-prompted to enter the pin. The customer is given three chances to enter his pin. If he/she fails during the three trials you display a message like “Sorry you can’t continue, contact your bank for assistance.”
If the pin is correct (formed by 4 digits), then the system will ask the customer for the receipt (1 for YES and 2 for NO) and a menu will be displayed containing five possible options to choose from: Fast Cash, Deposit, Withdraw, Balance, and Get Card Back.
Here is an explanation of each of the 5 options:
Get card back: Display the message “Goodbye!” and exit program.
Fast Cash: Let the customer choose the amount of cash from a menu similar to the following:
Press 1–> $20.00 $40.00 $80.00 $100.00 Yes No Fast Cash Withdraw Deposit Check balance Get card back
Enter your choice: [4]
-clear screen-
Your balance is: $125.32
1-> Another Transaction Get Card Back Fast Cash Withdraw Deposit Check Balance Get card back
Enter your choice: [2]
-clear screen-
Enter amount (enter 0 to cancel): [300.00]
Sorry, not enough balance
Enter amount (enter 0 to cancel): [30.00]
Take your cash…
-clear screen-
Your balance is: $124.32
1-> Another transaction Get card back Fast Cash Withdraw Deposit Check Balance Get card back
Enter your choice: [8]
Invalid entry
-clear screen-
CHOOSE FROM THE FOLLOWING
1-> Fast Cash Withdraw Deposit Check Balance Get card back
Enter your choice: [5]
-clear screen-

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