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: ['4093', 'x', 'G', '7021', 'n', 'L', 'C', 'o', 'd', 'E', 'x', '2227', 'm', '8827', '6335', '375', '9761', 'i', 'K', 'G']

4093, 24, 7, 7021, 14, 12, 3, 15, 4, 5, 24, 2227, 13, 8827, 6335, 375, 9761, 9, 11, 7