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.

['n', '1835', '6523', '6879', '1757', 'N', '2327']
14, 1835, 6523, 6879, 1757, 14, 2327

['7869', 'q', '7887', 'z', 'r', '7069', 'C', '2793', 'N']
7869, 17, 7887, 26, 18, 7069, 3, 2793, 14

['7613', '177', 'g', 'j', 'V']

7613, 177, 7, 10, 22