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: ['n', '1835', '6523', '6879', '1757', 'N', '2327']

14, 1835, 6523, 6879, 1757, 14, 2327