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: ['k', 'R', 'x', 'g', 'Q', '9269', '3733', 'T', 'i', 'd', 'M', 'B', 'n', 'a', 'q', 'S', '2533']

11, 18, 24, 7, 17, 9269, 3733, 20, 9, 4, 13, 2, 14, 1, 17, 19, 2533