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: ['L', '9821', 'k', '4663', 'v', 'r', 'N', 'I', 'x', '9133', 'I', 'o', 'n', '6159', 'g', 'U', '5579', 'Y', 't', 'a', 'A']

SOLUTION: 12, 9821, 11, 4663, 22, 18, 14, 9, 24, 9133, 9, 15, 14, 6159, 7, 21, 5579, 25, 20, 1, 1

PROBLEM: ['4175', 'm', 'Q', 'u', '4507', 'F', 'q', 'H', '5245', '9217', 'C', 'S', 'x', 'J', '7433', '4771', '1845', '5591', 'B', '1005', 'F', 'c', 'K']

SOLUTION: 4175, 13, 17, 21, 4507, 6, 17, 8, 5245, 9217, 3, 19, 24, 10, 7433, 4771, 1845, 5591, 2, 1005, 6, 3, 11

PROBLEM: ['i', '3233', '6245', 'a', '2385', 'L', 'H', 'K', 'r', '773', '135', 'c', 'p', '5229', 't', 'n', '7001', 'Z', 'j', 'L', 't', '4481', 't', 'C', '7463', 'a', 'g', '5415', '6797', '7043', 'L', '4503', '8901']

SOLUTION:
9, 3233, 6245, 1, 2385, 12, 8, 11, 18, 773, 135, 3, 16, 5229, 20, 14, 7001, 26, 10, 12, 20, 4481, 20, 3, 7463, 1, 7, 5415, 6797, 7043, 12, 4503, 8901