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: ['8777', 'j', 'P', 'h', 'J', 'X', 'p', 'L', '2759', '5697', '8179', '8015', 'x', 's', 'f', 'l', 'e', '7759', 'P', 'd', 'I', 'H', 'v', '3749', '2673', 'd', '9935', 'G']

8777, 10, 16, 8, 10, 24, 16, 12, 2759, 5697, 8179, 8015, 24, 19, 6, 12, 5, 7759, 16, 4, 9, 8, 22, 3749, 2673, 4, 9935, 7