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.

Example Input: ['O', '6881', '759', '6693', 'i', 'c', '5921', 'z', 'w', '3775', '9997', 'e', '775']
Example Output: 15, 6881, 759, 6693, 9, 3, 5921, 26, 23, 3775, 9997, 5, 775

Example Input: ['7923', '333', 'e', 'v', '5021']
Example Output: 7923, 333, 5, 22, 5021

Example Input: ['X', 'Y', 'X', '4081', '2783', 'z', '6973', 'j', '5677', 'r', 'b', '9243', 'W', 'g', 'I', 's', '7553']
Example Output:
24, 25, 24, 4081, 2783, 26, 6973, 10, 5677, 18, 2, 9243, 23, 7, 9, 19, 7553