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: ['q', 'Q', '3455', 'K', '5311', 'e', '887', '6945', 'j', '9453', '8867', '2097', '8795', '3729', 'R', 'w', 'j', '8681', 'R', 'p', '9121', '7115', '8457', '5945', 'y']

17, 17, 3455, 11, 5311, 5, 887, 6945, 10, 9453, 8867, 2097, 8795, 3729, 18, 23, 10, 8681, 18, 16, 9121, 7115, 8457, 5945, 25