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: ['s', 't', 'B', '9613', 'G', 'Z', '9193', 'Z', 'X']

SOLUTION: 19, 20, 2, 9613, 7, 26, 9193, 26, 24

PROBLEM: ['Z', 'J', 'q', 'D', 'Z', 'Y', '1539', '6753', '8815', '3065', 'e', 'u', 'R', 'Y', '3973', '5953', '9209', '8725', '4275', '2885', 'T', '5181', 't', 'I', 'm', 'Z', '531', '8997', 's']

SOLUTION: 26, 10, 17, 4, 26, 25, 1539, 6753, 8815, 3065, 5, 21, 18, 25, 3973, 5953, 9209, 8725, 4275, 2885, 20, 5181, 20, 9, 13, 26, 531, 8997, 19

PROBLEM: ['C', 'k', 'm', '3953', 'Y', '8561', 'w', 'y', 'Z', '2775', 'S', '8981', '9579', '2815', '7401', 'r', '6095', 'W', '3149', '3665', 'N', '8191', 'y', '5001', 'Z', '4035', '5047', 'o', 'k', 'B', '5317', 'Y', 'B', '6061', '8451', 'H']

SOLUTION:
3, 11, 13, 3953, 25, 8561, 23, 25, 26, 2775, 19, 8981, 9579, 2815, 7401, 18, 6095, 23, 3149, 3665, 14, 8191, 25, 5001, 26, 4035, 5047, 15, 11, 2, 5317, 25, 2, 6061, 8451, 8