The book Id number is represented in the following pattern: 0-07-041183-2. The first part(0) represents a region, the second part(07) is a publisher, the third part(041183) is a book subject, and the fourth part(2) is a book code. The book code is calculated as below: dig = (1 x first digit) + (2 x second digit) + (3 x third digit) + .......+(9 x ninth digit) Book code is remainder when the dig is divided by 7. Write a python program that reads Book Id as a number and checks whether it represents correct or valid Book Id. Sample input and output - Input: 0070411835 Output: Valid Input: 1234567893 Output: Invalid

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