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: ['4605', 'Z', 'M', 'c', '1995', '1613', '7939', '2523', '6233', 'k', '4241', 'o', '2513', 'J', 'c', '7123', '8095', 'X', '5253', '7923', 'g', 'q', '6611', 'J', '7601', '4189', '1039', 'O', '3307', 'k', '3', 'y', 'D', '4513']

4605, 26, 13, 3, 1995, 1613, 7939, 2523, 6233, 11, 4241, 15, 2513, 10, 3, 7123, 8095, 24, 5253, 7923, 7, 17, 6611, 10, 7601, 4189, 1039, 15, 3307, 11, 3, 25, 4, 4513