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: ['179', 'f', '7909', '9959', '3649', 'B', 'k', 'I', 's', 'Y', 'a', '6619', '3657', 'G', 'Q', '3647']

SOLUTION: 179, 6, 7909, 9959, 3649, 2, 11, 9, 19, 25, 1, 6619, 3657, 7, 17, 3647

PROBLEM: ['z', 'K', '2321', '5441', '5257', 'F', 't', '2973', '7263', '9205', '1085', '3879', '8297', '451', 'R', 'X', 'x', '9791', '9363', '2983']

SOLUTION: 26, 11, 2321, 5441, 5257, 6, 20, 2973, 7263, 9205, 1085, 3879, 8297, 451, 18, 24, 24, 9791, 9363, 2983

PROBLEM: ['7711', 'C', '1549', '3111', 'U', 'P', 'e', '1449', '237', '8739', 'L', 's', 'w', 'q', 'p', '2235', 'N', '2923', 'T', 'd', '4709', '7463', '5509', 'y', '5761', '2179', '5561', '3399', 'Y', 'r', 'X', '3277', 'x', '6859']

SOLUTION:
7711, 3, 1549, 3111, 21, 16, 5, 1449, 237, 8739, 12, 19, 23, 17, 16, 2235, 14, 2923, 20, 4, 4709, 7463, 5509, 25, 5761, 2179, 5561, 3399, 25, 18, 24, 3277, 24, 6859