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: ['8361', '2691', 'V', '2395', '1957', 'y', 'u', 'Y', 'k', '9381', '7793']

8361, 2691, 22, 2395, 1957, 25, 21, 25, 11, 9381, 7793