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: ['k', '4179', 'm', '5965', 'b', '7865', 'H', '8097', '7559', '1215', '9547', '7147', 'i', '7223', '4067', 'M', 'T', 'O', 'N', 'Y', 'm', '4091', '777', 'x', 'Y', 'r', 'a', '6993', '867', '6843', '5431', '5737', '2595', 'r', '4199', 'P', 'g', '5825']

11, 4179, 13, 5965, 2, 7865, 8, 8097, 7559, 1215, 9547, 7147, 9, 7223, 4067, 13, 20, 15, 14, 25, 13, 4091, 777, 24, 25, 18, 1, 6993, 867, 6843, 5431, 5737, 2595, 18, 4199, 16, 7, 5825