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.

['3869', '5187', 'm', 'Z', '8285', 'A', 'c', '7195', 'J', '4089', '4303', 'U', '5327', '9395', '7525', '5589', 'P', '8303', '9741', '7733', 'O', 'l', 'w', 'z', 'q', 'H', '9763', '2215', 'M', '9907', '843', 'N']
3869, 5187, 13, 26, 8285, 1, 3, 7195, 10, 4089, 4303, 21, 5327, 9395, 7525, 5589, 16, 8303, 9741, 7733, 15, 12, 23, 26, 17, 8, 9763, 2215, 13, 9907, 843, 14

['D', '8201', 'o', 'O', 'a', 'a', '2475', 'k', '3099', '9789', 'f', 'i', 'k', 'H', 'f', 'Q', 'L', 'D', '3857', '645', 'g']
4, 8201, 15, 15, 1, 1, 2475, 11, 3099, 9789, 6, 9, 11, 8, 6, 17, 12, 4, 3857, 645, 7

['5219', 'S', 'q', 'P', 't', 'L', 't', 'P', '7909', '6139', '5623', 'w', 'l', '1681', 'R', '8019', '3765', 'M', 'J', '7145', 'u', '6789', 'T', '1257']

5219, 19, 17, 16, 20, 12, 20, 16, 7909, 6139, 5623, 23, 12, 1681, 18, 8019, 3765, 13, 10, 7145, 21, 6789, 20, 1257