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: ['o', '8295', '6339', '1951', '2113', '4877', '9105', 'L', 'X', '3703', 'W', '9971', '5685', 'r', '8191', 'X', 'c', 'i', '755', 'M', '3145', '3289', '5465', 'q', 'J', '8837', 'p', 'Q']

15, 8295, 6339, 1951, 2113, 4877, 9105, 12, 24, 3703, 23, 9971, 5685, 18, 8191, 24, 3, 9, 755, 13, 3145, 3289, 5465, 17, 10, 8837, 16, 17