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

['q', 'y', 'y', 'l', 'h', '6347', '7445', 'r', '3511', '8433', 't', '9123', 'L', 'C', 'i', '4441', '2765', 'w', 'f', 'C', 'R', 'B']
17, 25, 25, 12, 8, 6347, 7445, 18, 3511, 8433, 20, 9123, 12, 3, 9, 4441, 2765, 23, 6, 3, 18, 2

['A', 'O', 'r', '1993', '4409', '3703', 'Q', 'P', '3019', '6843', '2443']

1, 15, 18, 1993, 4409, 3703, 17, 16, 3019, 6843, 2443