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: ['7333', 'M', 'd', '9109', 'v', 'g', '1091', 'z', 'S', 'e', 'u', '865', 'G', 'f', '2333', '5443', '4651', '3065', 'G', 'C', 'W', 'h', 'i', '1259', 'X', '5249', '5405', 'p', '801', 'd', 'U', 'W']

7333, 13, 4, 9109, 22, 7, 1091, 26, 19, 5, 21, 865, 7, 6, 2333, 5443, 4651, 3065, 7, 3, 23, 8, 9, 1259, 24, 5249, 5405, 16, 801, 4, 21, 23