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: ['I', '135', '3393', '4367', 'O', '3943', 'X', '5507', 'N', 'A', 'H', '2527', '7937', 'q', '3561', 'B', '9491', '9549', '9101', 'n', 'i', '1625', 'C', 'Z', 'G', '1189', 'k', '4201', 'Q', '2757', '7331', '9507', 'U', 'n', '5955', '7901', '7445']

9, 135, 3393, 4367, 15, 3943, 24, 5507, 14, 1, 8, 2527, 7937, 17, 3561, 2, 9491, 9549, 9101, 14, 9, 1625, 3, 26, 7, 1189, 11, 4201, 17, 2757, 7331, 9507, 21, 14, 5955, 7901, 7445