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.

['5867', '8923', '8873', '8155', '5663', 'l', '4411', '9429', 'v', '7155', 'h', 'S', 'g', 'Q', 'N', 'z', 'S', 'h', '6753', 'o', '525', 'Y', 'n', '2855', '8433', '2125', 'n', 'r', 'X', '4863']
5867, 8923, 8873, 8155, 5663, 12, 4411, 9429, 22, 7155, 8, 19, 7, 17, 14, 26, 19, 8, 6753, 15, 525, 25, 14, 2855, 8433, 2125, 14, 18, 24, 4863

['6521', 'f', 'm', '1051', 'w', 'C', 'H', 'X', '7715', '5243', '3365', 'l', 'X', 'J', 'y', 'U', '4367', 'v', '8399', '1731', 'z']
6521, 6, 13, 1051, 23, 3, 8, 24, 7715, 5243, 3365, 12, 24, 10, 25, 21, 4367, 22, 8399, 1731, 26

['341', '2427', '7849', '7771', 'm', '2853', 'd', '2799', '6037', 'x', 'R', '2513', '9115', 'z', 'X', 'U', '7733', 'x', 'H', 'q', '5575', '9997', 'j', 'X', 'y']

341, 2427, 7849, 7771, 13, 2853, 4, 2799, 6037, 24, 18, 2513, 9115, 26, 24, 21, 7733, 24, 8, 17, 5575, 9997, 10, 24, 25