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.

['9391', '5923', '7195', 'd', '5763', '4437', 'f', '2885', '153', 'I', 'w', 'v', 's', '3381', '2931', 'l', 'P', '2435', '7365', 'I', 'G', '4217', '8047', '6035', '865', 'h', '6273', 'y', 'b', 'X', 'e', '321', 'H']
9391, 5923, 7195, 4, 5763, 4437, 6, 2885, 153, 9, 23, 22, 19, 3381, 2931, 12, 16, 2435, 7365, 9, 7, 4217, 8047, 6035, 865, 8, 6273, 25, 2, 24, 5, 321, 8

['n', 'O', '8931', 'O', '887', 'n', '4103', '5991', '9925', '6213', '9739', '5767', 'r', 'x', 'v', 'M', 'S', '3303', '4583', '3347', '9277', '899', '9321']
14, 15, 8931, 15, 887, 14, 4103, 5991, 9925, 6213, 9739, 5767, 18, 24, 22, 13, 19, 3303, 4583, 3347, 9277, 899, 9321

['O', '6881', '759', '6693', 'i', 'c', '5921', 'z', 'w', '3775', '9997', 'e', '775']

15, 6881, 759, 6693, 9, 3, 5921, 26, 23, 3775, 9997, 5, 775