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: ['x', 'v', '1523', '2377', 'l', 'F', 'J', 'w', 'q', '3723', 'Z', 'B', 'S', '7183', 'V', '799', '6505', '239', 'b', 't', 'G', 'h', 'P', 's', '2565', 'j', '1807', '2251', '9997', '5565', 'D', '6299', 'O', 'J']

24, 22, 1523, 2377, 12, 6, 10, 23, 17, 3723, 26, 2, 19, 7183, 22, 799, 6505, 239, 2, 20, 7, 8, 16, 19, 2565, 10, 1807, 2251, 9997, 5565, 4, 6299, 15, 10