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: ['4189', '5693', '3235', 'w', 'f', '9353', 'v', '5325', 'r', 'G', 'g', 'z', 'P', '4671', '6647', '3321', '6373', 'Z', '4447', 'e', '2153', '853', 'W', 'N', '8765', '2093', '4015']

4189, 5693, 3235, 23, 6, 9353, 22, 5325, 18, 7, 7, 26, 16, 4671, 6647, 3321, 6373, 26, 4447, 5, 2153, 853, 23, 14, 8765, 2093, 4015