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: ['9113', '8589', 'E', 'G', '5273', '6633', '1307', 'k', 'O', 'O', '5915', 'u', '783', 'n', '6939', 'U', 'i', 'd', 'X', '795', '6151', '4547', '4371', '5459', '7007', '1615', '1067', 'X', '1671', '749', 'M', 'w', '6741', 'f', '3491']

9113, 8589, 5, 7, 5273, 6633, 1307, 11, 15, 15, 5915, 21, 783, 14, 6939, 21, 9, 4, 24, 795, 6151, 4547, 4371, 5459, 7007, 1615, 1067, 24, 1671, 749, 13, 23, 6741, 6, 3491