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: ['H', '6483', '1681', '4127', '3681', '221', 'Q', '9263', 'f', 'e', 's', '6103', 'm', '3719', '281', 'V', 'k', 'r', 'V', '2083', '6839', 'B', 'u', '4001', '4177', '2819', 'V']

8, 6483, 1681, 4127, 3681, 221, 17, 9263, 6, 5, 19, 6103, 13, 3719, 281, 22, 11, 18, 22, 2083, 6839, 2, 21, 4001, 4177, 2819, 22