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: ['3339', 'v', 'r', '9279', 'n', 'J', '8607', '5127', '7427', '4785', 'n', 'd', '2741', '9823', 'z', 'I', '2467', '7351', 'A', 'm', '8939', '4431', '4221', 'T', '9127', 'w', 'N']

3339, 22, 18, 9279, 14, 10, 8607, 5127, 7427, 4785, 14, 4, 2741, 9823, 26, 9, 2467, 7351, 1, 13, 8939, 4431, 4221, 20, 9127, 23, 14