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: ['A', '785', '1403', '5507', '5833']

SOLUTION: 1, 785, 1403, 5507, 5833

PROBLEM: ['G', 'P', '9587', '2465', 'C', 'q', 'o']

SOLUTION: 7, 16, 9587, 2465, 3, 17, 15

PROBLEM: ['T', '875', 'Q', 'y', 'h', '9861', '7517', '2705', '8803', 'R', '5127', 'u', '8405', 'J']

SOLUTION:
20, 875, 17, 25, 8, 9861, 7517, 2705, 8803, 18, 5127, 21, 8405, 10