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: ['M', 'a', 'k', 'V', '8193', '9593', 'r', '2211', '9231', 'd', '2563', '6025', '2037', 'B', '9777', 'y', 'X', 'T', '8643', 'M', 'K', 'f', '9941', 'F', '9611', '9619', 'd', '2289', '3229', '1385', '5309', '4147', '7473', 'u', 'b']

13, 1, 11, 22, 8193, 9593, 18, 2211, 9231, 4, 2563, 6025, 2037, 2, 9777, 25, 24, 20, 8643, 13, 11, 6, 9941, 6, 9611, 9619, 4, 2289, 3229, 1385, 5309, 4147, 7473, 21, 2