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.

['Q', '8921', '7131', '9247', '3351', '4689', 'L', 'O', 'N', 'g', 'Q', '413']
17, 8921, 7131, 9247, 3351, 4689, 12, 15, 14, 7, 17, 413

['X', '5185', 'U', '9017', '3025', 'q', 'm', 'n', '7927', 'i', '1285', '2127', 'b', 'k', 'o', '9065', '8583', '921', 'I', '6909', '7181', '5681', 'z', 'K', 'T', '7321', 'q', 'm', 'N', 'p', 'O']
24, 5185, 21, 9017, 3025, 17, 13, 14, 7927, 9, 1285, 2127, 2, 11, 15, 9065, 8583, 921, 9, 6909, 7181, 5681, 26, 11, 20, 7321, 17, 13, 14, 16, 15

['5845', 'm', 'p', '91', '5137', 'a', 'X', 'i', 'i', 'i', 'M', '6157', 'R', 'R', '6125', 'N', '4643', '405', '2609', 'y', 'w', '5281', '2061', 'x', 'J', '1383', 'a', '685', 'x', '6035', 'm', 'Q', 'L', 'n', '1691', '4253', 'h']

5845, 13, 16, 91, 5137, 1, 24, 9, 9, 9, 13, 6157, 18, 18, 6125, 14, 4643, 405, 2609, 25, 23, 5281, 2061, 24, 10, 1383, 1, 685, 24, 6035, 13, 17, 12, 14, 1691, 4253, 8