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', 'e', 'E', 'V', 'd', '6593', 'B', 'P', '7601', 'A', 'i', 'a', 'E', '9951', 'm', 'g', 'z', 'z', '8943', '7031', 'o', 'V', '9877', 'S', 'T', 'S', 'a', 'i']

11, 5, 5, 22, 4, 6593, 2, 16, 7601, 1, 9, 1, 5, 9951, 13, 7, 26, 26, 8943, 7031, 15, 22, 9877, 19, 20, 19, 1, 9