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: ['8141', '1427', '9073', 'V', 'c', '6535', 'p', 'Z', 'g', 'A']

8141, 1427, 9073, 22, 3, 6535, 16, 26, 7, 1