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: ['7359', '7081', 'Q', '103', '8023', 'g', 'H', 'd', 'X', '8685', 'p', 'f', 'k', 'l', 'Q', 'd', 'N', 'P', 'v', '81', '5875']

7359, 7081, 17, 103, 8023, 7, 8, 4, 24, 8685, 16, 6, 11, 12, 17, 4, 14, 16, 22, 81, 5875