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: ['l', '633', 'g', '2343', '2791', '447', '1751', 'Z', '5513', 'p', 'y', '1021', 'c', '8361', '4245', 'q', '8215', '6053', '6497', 'Z', '5001', 'i', '5997', '1681', 'V', '7785', 'J', '7633', 'y', '9959', 'I', 'h']

12, 633, 7, 2343, 2791, 447, 1751, 26, 5513, 16, 25, 1021, 3, 8361, 4245, 17, 8215, 6053, 6497, 26, 5001, 9, 5997, 1681, 22, 7785, 10, 7633, 25, 9959, 9, 8