def sum_prime():
digit_Sum([1, 2, 3]) == 1 + 2 + 3 = 6
digit_Sum([5, 6, 7]) == 5 + 6 + 7 = 18
digit_Sum([100, 12, 1]) == 1 + 0 + 1 + 0 + 2 + 1 = 5
**The digit sum function should return the sum of all the digits in a given list of integers. what is wrong with the function signature and doc string? ** please see this image