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Language/Type: Python loops parameters return

Write a function named sum_of_digits that accepts an integer parameter and computes and returns the sum of all the digits of that number. For example, sum_of_digits(38015) returns 3+8+1+0+5 or 17. For negative numbers, return the same value as if the number were positive. For example, sum_of_digits(-72) returns 7+2 or 9.

Function: Write a Python function as described, not a complete program.

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