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: ['671', 'q', 'W', '2505', 'b', '8779']

671, 17, 23, 2505, 2, 8779