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', '3465', '5415', '1179', 'e', '4111', '7375', 'X', 'J', 'm']

11, 3465, 5415, 1179, 5, 4111, 7375, 24, 10, 13