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: ['M', '4059', 's', '7333', 'P', '4427', 'v', '6433', '381', '4747', 'I', '9253', '8043', 'W', '3377', '6541', 'w', '6363', 'h', 'X', '3955', '2277', '1267', '5341', '205', 'Z', 'e', 'I', 'g', '9067', 'r', 'O', 'A', 'u', '3013', '1507', 'z']

13, 4059, 19, 7333, 16, 4427, 22, 6433, 381, 4747, 9, 9253, 8043, 23, 3377, 6541, 23, 6363, 8, 24, 3955, 2277, 1267, 5341, 205, 26, 5, 9, 7, 9067, 18, 15, 1, 21, 3013, 1507, 26