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.

['p', '5493', '2947', 'Z', '8155', '747', 'R', '3199', 'J', 'F', '7579', 'r', '3903', '8923', 'd', '4307', '8331', '9981']
16, 5493, 2947, 26, 8155, 747, 18, 3199, 10, 6, 7579, 18, 3903, 8923, 4, 4307, 8331, 9981

['X', 'A', 'V', '6327', 'E', 'a', '2173', '9145', '8161', 'X', '5829', 'f', 'K', 'C']
24, 1, 22, 6327, 5, 1, 2173, 9145, 8161, 24, 5829, 6, 11, 3

['y', '3151', '8433', 'm', 'G', '9245', '8975', '4839', 'L', 'z', 'c']

25, 3151, 8433, 13, 7, 9245, 8975, 4839, 12, 26, 3