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: ['H', '1127', '5993', 'h', 'c', '3751', '6343', '8423', 'p', '1797', 'j', '1173', 'C', '4635', '3275', 'h', 'O', '8865', '7117', 'c', '9909', 'F', '983', 'E', 'G', 'x', '3985', 'B', 'A', '7335', 'c', 'N']

8, 1127, 5993, 8, 3, 3751, 6343, 8423, 16, 1797, 10, 1173, 3, 4635, 3275, 8, 15, 8865, 7117, 3, 9909, 6, 983, 5, 7, 24, 3985, 2, 1, 7335, 3, 14