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: ['4567', '6901', '6039', 'O', 'H', '3017', 'n', '1833', 'h', '8219', 'G', 'U', 'X', '4831', '9811', '2395', 'T', '8981', '8605', 'o', '5439', '8691', '59', '9861', 'b', 'x', '9013', 'r', '4359', 'F', '1189', 'E', 'l', 'S', '6133', '7949', 'R']

SOLUTION: 4567, 6901, 6039, 15, 8, 3017, 14, 1833, 8, 8219, 7, 21, 24, 4831, 9811, 2395, 20, 8981, 8605, 15, 5439, 8691, 59, 9861, 2, 24, 9013, 18, 4359, 6, 1189, 5, 12, 19, 6133, 7949, 18

PROBLEM: ['3723', '9019', '1475', '229', '2961', '2131', 'B', '2245', 'o', '2299', 'R', '8165', 'v', 'Q', '501', 'L', '6203', 'y', 'r', 'u', '327', '617', 'z', '3843', 'D', '5647', 'Y', 'f', '4809']

SOLUTION: 3723, 9019, 1475, 229, 2961, 2131, 2, 2245, 15, 2299, 18, 8165, 22, 17, 501, 12, 6203, 25, 18, 21, 327, 617, 26, 3843, 4, 5647, 25, 6, 4809

PROBLEM: ['3371', '2931', 'w', '481', '2349', 'j', '9965', 'y', 'i', '6207', 'U', 'Y', 'U', 'Q', 'q', 's', 'u', 'T', '7109', '1495', 'r', '7727']

SOLUTION:
3371, 2931, 23, 481, 2349, 10, 9965, 25, 9, 6207, 21, 25, 21, 17, 17, 19, 21, 20, 7109, 1495, 18, 7727