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: ['J', 'n', 'e', 'J', '8825', '5167', 'Y', 'U', 'W', '8523', '2331', 'O', '6801', '3523', 'x', 'f', '1735', 'Q', 'K']

10, 14, 5, 10, 8825, 5167, 25, 21, 23, 8523, 2331, 15, 6801, 3523, 24, 6, 1735, 17, 11