Detailed Instructions: 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.
Problem:['l', 'l', '8511', '9849', 'J', '3189', '4691', '4835', '1907', 'e', '6705', 'k', 'B', '517', '471', '1679']
Solution:
12, 12, 8511, 9849, 10, 3189, 4691, 4835, 1907, 5, 6705, 11, 2, 517, 471, 1679