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.

['m', 'O', '9283', 'x', '2551', 'e', 'T', 'v', 'e', '2761', '2777', 'i', '4915', '427', '6203', '1857', '3439', 'W', 'H', 'n', 'g', '7703', 'N', '5703', 'D', '9125', '3405', 'P', '6731', '4221', 'z', '1035', 'r', 't', 'S', '7677', 'i', '647', '173']
13, 15, 9283, 24, 2551, 5, 20, 22, 5, 2761, 2777, 9, 4915, 427, 6203, 1857, 3439, 23, 8, 14, 7, 7703, 14, 5703, 4, 9125, 3405, 16, 6731, 4221, 26, 1035, 18, 20, 19, 7677, 9, 647, 173

['2485', '8367', '1121', 'n', 'a', '1313', '8521', 'Y', '1873', 'Y', '3095', '4083', '7549', '2301', 'p', '3147', '2893', 'r', 'm', '5041', '8219', '2345', 'T', '4267', '7513', 'l', '5209', '8385', '2791', 'h', 'S', 's']
2485, 8367, 1121, 14, 1, 1313, 8521, 25, 1873, 25, 3095, 4083, 7549, 2301, 16, 3147, 2893, 18, 13, 5041, 8219, 2345, 20, 4267, 7513, 12, 5209, 8385, 2791, 8, 19, 19

['c', 'r', '2275', 'R', 'x', 'N']

3, 18, 2275, 18, 24, 14