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: ['X', '3237', 'H', '2623', 'z', '8309', 'W', '8249', 'c', '7019', '2073', 'G', 'H', 'i', '8293', '2617', 'a', 'H', 'c', 'D', 'E', 'G', 'e', 'u', 'D', '2845']

SOLUTION: 24, 3237, 8, 2623, 26, 8309, 23, 8249, 3, 7019, 2073, 7, 8, 9, 8293, 2617, 1, 8, 3, 4, 5, 7, 5, 21, 4, 2845

PROBLEM: ['a', '8619', 'v', '8727', '779', 'S', 'u', 'P', '2811', 'h', '2029', 'M', 'Y', '4547', 'B', 'J', '3157', '2629', '465']

SOLUTION: 1, 8619, 22, 8727, 779, 19, 21, 16, 2811, 8, 2029, 13, 25, 4547, 2, 10, 3157, 2629, 465

PROBLEM: ['z', 'b', 'o', 'M']

SOLUTION:
26, 2, 15, 13