Definition: 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.
Input: ['O', '793', 'N', '2211', 'F', '7997', 'K', 'o', 'R', 'I', 'b', '5451', 'f', 'w', '1867', 'X', '1713', 's', 'W', '8361', 'T', '205', '2671', '575', 'i', '8159', '5405', '8013', '1379', '3769', '655', 'e', '729', '7145', '5123', '2125', 'q']

15, 793, 14, 2211, 6, 7997, 11, 15, 18, 9, 2, 5451, 6, 23, 1867, 24, 1713, 19, 23, 8361, 20, 205, 2671, 575, 9, 8159, 5405, 8013, 1379, 3769, 655, 5, 729, 7145, 5123, 2125, 17