An ISBN-10 (International Standard Book Number) consists of 10 digits: d1d2d3d4d5d6d7d8d9d10. The last digit, d10, is a checksum, which is calculated from the other nine digits using the following formula: (d1 * 1 + d2 * 2 + d3 * 3 + d4 * 4 + d5 * 5 + d6 * 6 + d7 * 7 + d8 * 8 + d9 * 9) % 11 If the checksum is 10, the last digit is denoted as X according to the ISBN-10 convention. Write a program that prompts the user to enter the first 9 digits and displays the 10-digit ISBN (including leading zeros). Sample Run 1 Enter the first 9 digits of an ISBN as a string: 3601267 Incorrect input. It must have exact 9 digits Sample Run 2 Enter the first 9 digits of an ISBN as a string: 013601267 The ISBN-10 number is 0136012671 Sample Run 3 Enter the first 9 digits of an ISBN as a string: 013031997 The ISBN-10 number is 013031997X **PYTHON***
An ISBN-10 (International Standard Book Number) consists of 10 digits: d1d2d3d4d5d6d7d8d9d10. The last digit, d10, is a checksum, which is calculated from the other nine digits using the following formula:
(d1 * 1 + d2 * 2 + d3 * 3 + d4 * 4 + d5 * 5 + d6 * 6 + d7 * 7 + d8 * 8 + d9 * 9) % 11
If the checksum is 10, the last digit is denoted as X according to the ISBN-10 convention. Write a
Sample Run 1
Enter the first 9 digits of an ISBN as a string: 3601267
Incorrect input. It must have exact 9 digits
Sample Run 2
Enter the first 9 digits of an ISBN as a string: 013601267
The ISBN-10 number is 0136012671
Sample Run 3
Enter the first 9 digits of an ISBN as a string: 013031997
The ISBN-10 number is 013031997X
**PYTHON***
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