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: ['P', 'p', '795', '3867', 'p', 'E', '3039', 'h', 'K', '7089', 'n', 'p', '3525', 'z', 'f', 'Z', '3815', '9453', 'w', '5889', 'T', '327', '3325', '465', '173', 'g', 'Q', 's', 'E', 'O', 'N', '5713', 'q', '9721', '5065', '3257']

16, 16, 795, 3867, 16, 5, 3039, 8, 11, 7089, 14, 16, 3525, 26, 6, 26, 3815, 9453, 23, 5889, 20, 327, 3325, 465, 173, 7, 17, 19, 5, 15, 14, 5713, 17, 9721, 5065, 3257