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: ['9363', '3363', '279', 'W', '1187', '2479', '9805']

9363, 3363, 279, 23, 1187, 2479, 9805