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.

['4657', 'F', '2009', '2077', '3793', 'o', '1349', '2879', '893', '3275', 'u', 'l', '4407', 'p', 'e', '2589', 'n', '6019', 'A', '8685', '6103', '995', 'R', '65', 'h', '8019', '2349', '2685', 'd', '9179', '1245', 'U', '3381', 'a', 'f', '9371', 'e', '1813']
4657, 6, 2009, 2077, 3793, 15, 1349, 2879, 893, 3275, 21, 12, 4407, 16, 5, 2589, 14, 6019, 1, 8685, 6103, 995, 18, 65, 8, 8019, 2349, 2685, 4, 9179, 1245, 21, 3381, 1, 6, 9371, 5, 1813

['h', '5021', '7395', '4101', 'r', '703', '871', 'S', 'g', 'R', '3871', 'c', '6607', 'i', '7281', 'S', '8021', 'n', '9299', '4509', 'b', 'v', 'G', '9239', 'p']
8, 5021, 7395, 4101, 18, 703, 871, 19, 7, 18, 3871, 3, 6607, 9, 7281, 19, 8021, 14, 9299, 4509, 2, 22, 7, 9239, 16

['4359', '8325', '9237', '1989', 'L', '3059', '6707', '8519', '1733', '3079', 'm', 'V', '8517', '633', 'v', 'v', 'c', 'C', 'W', '7845']

4359, 8325, 9237, 1989, 12, 3059, 6707, 8519, 1733, 3079, 13, 22, 8517, 633, 22, 22, 3, 3, 23, 7845