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: ['9279', '2333', '475', 's', '2591', '4009', '9831', 'l', 'l', '4925', 'X', '8611', 'J', 'm', 'H', 'd', '6851', 'p', 'c', '6821', '8831', 'G', '6425', 'J', '3411', '3521', 'D', '9011', '483', 'o', '7599', '9245', 'b', 's']

9279, 2333, 475, 19, 2591, 4009, 9831, 12, 12, 4925, 24, 8611, 10, 13, 8, 4, 6851, 16, 3, 6821, 8831, 7, 6425, 10, 3411, 3521, 4, 9011, 483, 15, 7599, 9245, 2, 19