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: ['W', 'A', '7541', 'Q', 'l', '6441', 'L', 'G', 'e', 'y', '8575', 'y', '8627', 'Z', 'j', 'J', '4411', 'n', 'n', 'v', '5675', '9641']

SOLUTION: 23, 1, 7541, 17, 12, 6441, 12, 7, 5, 25, 8575, 25, 8627, 26, 10, 10, 4411, 14, 14, 22, 5675, 9641

PROBLEM: ['7127', '6275', '9527', 'l', 'J', '6051', 'k', 'y', 'W', '3467', '4027', '9027', 'R', 'k', 'p', '7191', 'h', 'y']

SOLUTION: 7127, 6275, 9527, 12, 10, 6051, 11, 25, 23, 3467, 4027, 9027, 18, 11, 16, 7191, 8, 25

PROBLEM: ['G', '8347', 'N', 'y', '4221', '523', 'U', 'k', '5033', '6571', 'v', 'T', '3873', '9117', 'e', 'b', 'x', 'k', 'l', '2181']

SOLUTION:
7, 8347, 14, 25, 4221, 523, 21, 11, 5033, 6571, 22, 20, 3873, 9117, 5, 2, 24, 11, 12, 2181