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: ['8801', 'Q', '4511', 'N', 'O', 'n', 'i', 'R', '4695', 'A', '79', '9903', 'P', 'k', '5389', 'X', 'b', 'O', 'p', '4125', '1909', 'v', '7905', 'S']

8801, 17, 4511, 14, 15, 14, 9, 18, 4695, 1, 79, 9903, 16, 11, 5389, 24, 2, 15, 16, 4125, 1909, 22, 7905, 19