Intro to Python Programming: Credit Card Check ApplicationCredit card companies typically assign a special digit, called a check digit, to theend of each customer's credit card number. The check digit allows companies toverify that the credit card number was entered accurately. The following methodis used to verify actual credit card numbers but, for simplicity, we will describe itfor numbers with 8 digits instead of 16:• Starting from the right most digit, form the sum of every other digit. Forexample, if the credit card number is 4358 9795, then you form the sum 5+7+8+3= 23.• Double each of the digits that were not included in the preceding step. Add alldigits of the resulting numbers. For example, with the number given above,doubling the digits, starting with the next-to-last one, yields 18 18 10 8. Adding alldigits in these values yields 1+8+1+8+1+0+8 = 27.• Add the sums of the two preceding steps. If the last digit of the result is 0, thenumber is valid. In our case, 23 + 27 = 50, so the number is valid.Create the Credit Card Check Application. The application should implement theabove algorithm. The user should supply an 8-digit number, and you should printout whether the number is valid or not. The program output should be formattedas shown in the Sample Run.Note: You must use at least one for loop in your code. SAMPLE RUNEnter an 8 digit credit card number: 45219652That number is not valid.Enter an 8 digit credit card number: 86993524That number is valid.Enter an 8 digit credit card number: 23454456That number is not valid.Enter an 8 digit credit card number: 89764310That number is valid.

Answered: Intro to Python Programming:

Engineering

Computer Science

Intro to Python Programming:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Intro to Python Programming:

Credit Card Check Application
Credit card companies typically assign a special digit, called a check digit, to the
end of each customer's credit card number. The check digit allows companies to
verify that the credit card number was entered accurately. The following method
is used to verify actual credit card numbers but, for simplicity, we will describe it
for numbers with 8 digits instead of 16:
• Starting from the right most digit, form the sum of every other digit. For
example, if the credit card number is 4358 9795, then you form the sum 5+7+8+3
= 23.
• Double each of the digits that were not included in the preceding step. Add all
digits of the resulting numbers. For example, with the number given above,
doubling the digits, starting with the next-to-last one, yields 18 18 10 8. Adding all
digits in these values yields 1+8+1+8+1+0+8 = 27.
• Add the sums of the two preceding steps. If the last digit of the result is 0, the
number is valid. In our case, 23 + 27 = 50, so the number is valid.
Create the Credit Card Check Application. The application should implement the
above algorithm. The user should supply an 8-digit number, and you should print
out whether the number is valid or not. The program output should be formatted
as shown in the Sample Run.
Note: You must use at least one for loop in your code.

SAMPLE RUN
Enter an 8 digit credit card number: 45219652
That number is not valid.
Enter an 8 digit credit card number: 86993524
That number is valid.
Enter an 8 digit credit card number: 23454456
That number is not valid.
Enter an 8 digit credit card number: 89764310
That number is valid.

Process by which instructions are given to a computer, software program, or application using code.

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