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: ['2729', 'K', '1143', 'g', '3829']

SOLUTION: 2729, 11, 1143, 7, 3829

PROBLEM: ['2565', '6315']

SOLUTION: 2565, 6315

PROBLEM: ['6561', '5127', '1473', '3975', '5099', 'z', '559', 'k', 'o', '2187']

SOLUTION:
6561, 5127, 1473, 3975, 5099, 26, 559, 11, 15, 2187

