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: ['g', '7461', 'J', '169', 'T', 'f', 'C', 'c', 'n', '911', 'A', '6171', 'B', '3715', '6147', 'l', 'E', 'w', '9939', 'c', 'm', '1335', '5205', 'l', 'a', '5567', '153', 'N', 'd']

7, 7461, 10, 169, 20, 6, 3, 3, 14, 911, 1, 6171, 2, 3715, 6147, 12, 5, 23, 9939, 3, 13, 1335, 5205, 12, 1, 5567, 153, 14, 4