Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['9513', '9193', 'M', '7755', 'C', 'Z', 'x', 'e', 'p', 'P', 't', 'p', '5595', 'y', '2295', 'J', 'F', '4325', 'A', 'Z', '4191', 'F', 'N', 'L', 'V', 'Z', '6967', '8099']

9513, 9193, 13, 7755, 3, 26, 24, 5, 16, 16, 20, 16, 5595, 25, 2295, 10, 6, 4325, 1, 26, 4191, 6, 14, 12, 22, 26, 6967, 8099