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: ['c', 'j', 'O', 'e', 'C', '627', 'm', 'V', '8241', 't', 'Q', 'G', '5937']

3, 10, 15, 5, 3, 627, 13, 22, 8241, 20, 17, 7, 5937