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: ['4655', 'W', '2077', '1831', 'A', '4643', 'g', 's']

4655, 23, 2077, 1831, 1, 4643, 7, 19