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: ['D', 'o', 'w', '5319', 'J', 'n', 'F', 'X', 'h', '9395', 'V', '2963', 'M', 'l', '3079', 'u', '1843', '7729', '4901', 'd', 'T', 'G', 'C', 'q', 'r']

4, 15, 23, 5319, 10, 14, 6, 24, 8, 9395, 22, 2963, 13, 12, 3079, 21, 1843, 7729, 4901, 4, 20, 7, 3, 17, 18