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: ['8817', 'A', '3511', '8683', '8027', 'p', 'm', 'Q', '5091', '1061', '4277', 'Q', '2819']

8817, 1, 3511, 8683, 8027, 16, 13, 17, 5091, 1061, 4277, 17, 2819