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.
--------
Question: ['7501', 'c', 'n', '3551', 'U', '8239', 'L', '3149', '9399', 'a', '2763', '2461', 'p']

Answer: 7501, 3, 14, 3551, 21, 8239, 12, 3149, 9399, 1, 2763, 2461, 16


Question: ['5913', '6135', '4167', 'S', '9777', 'S']

Answer: 5913, 6135, 4167, 19, 9777, 19


Question: ['3883', '6329', 'Q', 'i', 'e', '4355', 'V', 'A', '2389', 'i', '8687', '3225', '5137', 'i', 'n', '9387', '5125', 'S', '3213', '1521', 'T']

Answer:
3883, 6329, 17, 9, 5, 4355, 22, 1, 2389, 9, 8687, 3225, 5137, 9, 14, 9387, 5125, 19, 3213, 1521, 20