Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Intro to Python
ATM Application
When you use an automated teller machine (ATM) with your bank card, you need
to use a personal identification number (PIN) to access your account. If a user fails
more than three times when entering the PIN, the machine will block the card.
Create the ATM Application.
The application asks the user for the PIN no more than three times, and does the
following:
• If the user enters the right PIN, the application should ask the user to choose an
account (checking or savings), and display its balance.
• If the user enters a wrong PIN and, if the application has asked for the PIN less
than three times, it should ask for it again.
• If the user enters a wrong PIN three times, the application should print a
message saying “Your bank card is blocked”.
Assume that the user’s checking account balance is $1450.56 and his/her savings
account balance is $10. Also assume the user’s PIN is “9554”.
SAMPLE RUN
Enter your PIN: 1353
Enter your PIN: 9555
Enter your PIN: 9553
Your bank card is blocked
Enter your PIN: 2355
Enter your PIN: 1345
Enter your PIN: 9554
Please enter c for checking, s for savings: c
Your checking balance is: $1450.56
Enter your PIN: 1532
Enter your PIN: 9554
Please enter c for checking, s for savings: s
Your savings balance is: $10.00
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