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: ['8755', 'J', 'z', 'O', '1173', 'W', 'R', 'S', 'q', 'a', '8775', 'Q', 'd', '4043', '5777', '8367', 'n', '279', 'L', 'F', 'm', 'G', '7387', 'E', '7417', 'j', '6659', '5719']

8755, 10, 26, 15, 1173, 23, 18, 19, 17, 1, 8775, 17, 4, 4043, 5777, 8367, 14, 279, 12, 6, 13, 7, 7387, 5, 7417, 10, 6659, 5719