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: ['5905', '5797', '9385', 'b', 'N', '5713', '9489', 'F', 'r', '6397', 'D', '9863', 'q', 'Q']

5905, 5797, 9385, 2, 14, 5713, 9489, 6, 18, 6397, 4, 9863, 17, 17