TASK 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.
PROBLEM: ['1801', '667', 'e', 'U', 't', '6309', '5535', 'g', '3007', 'g', 'y', '7329', '3741', 'f', 'O', 'i', 'T', 'p', '685', 'u', 'q', '8561', 'Z']

SOLUTION: 1801, 667, 5, 21, 20, 6309, 5535, 7, 3007, 7, 25, 7329, 3741, 6, 15, 9, 20, 16, 685, 21, 17, 8561, 26

PROBLEM: ['T', '5047']

SOLUTION: 20, 5047

PROBLEM: ['8431', '6669', 'W', 'A', '2737', 'k', '5233', '8997', '9845', 'Z', '5601', 'x', '9301', '209', 'k', 'h', '2907', 'T', 'b', 'Q', '4165', '291', '9155', 'D', '1517', 'W', 'C', '2459', '6209', 'J', 'p', '4451', '8589', '2369', 'm', 'Z', 'k', '4561', 'n']

SOLUTION:
8431, 6669, 23, 1, 2737, 11, 5233, 8997, 9845, 26, 5601, 24, 9301, 209, 11, 8, 2907, 20, 2, 17, 4165, 291, 9155, 4, 1517, 23, 3, 2459, 6209, 10, 16, 4451, 8589, 2369, 13, 26, 11, 4561, 14