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: ['3633', '5197', '965', '979', '7409', 'M', 'j', 'K', '5921', '6529', 'i', '3107', 'p', '3669', 't', 's', '7561', 'e', 'v', 'J', '9771', '675', '3229', '2419', 'o', 'H', '77', 'm']

3633, 5197, 965, 979, 7409, 13, 10, 11, 5921, 6529, 9, 3107, 16, 3669, 20, 19, 7561, 5, 22, 10, 9771, 675, 3229, 2419, 15, 8, 77, 13