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: ['p', '5511', 'T', '8573', '677', '8833', '179', '2807', '1979', 'r', 'D', 'v', '8399', 'y', 'V', 'q', '2207', '6837', 'K', '6535', '8547', 'A', 'v', 'J', 'y', '9599', 'q']

16, 5511, 20, 8573, 677, 8833, 179, 2807, 1979, 18, 4, 22, 8399, 25, 22, 17, 2207, 6837, 11, 6535, 8547, 1, 22, 10, 25, 9599, 17