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: ['6695', 'n', '9075', '4963', 'q', 'A', '7489', 'J', 'F', '8159', 'l', 'E', 'Y', 's', 'F', 'u', 'V', '4343', '2121', '1947', 'I', 'A', 'g', '8529', 'H', 'Z', 'I', '2355', '8001', '3243', '5767', 'I', 'D', 'w', '4693', 'M', '3717', 'Y']

6695, 14, 9075, 4963, 17, 1, 7489, 10, 6, 8159, 12, 5, 25, 19, 6, 21, 22, 4343, 2121, 1947, 9, 1, 7, 8529, 8, 26, 9, 2355, 8001, 3243, 5767, 9, 4, 23, 4693, 13, 3717, 25