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: ['K', 'U', '2319', '3941', '183', '5351', 'F', '6081', 'Z', 'G', 'j', 'c', '8693', 'A', 'M', '5089', 'v', '8601', '1517', '7821', 'u', 'N', 'B', 'D', '2145', '8555', '1563', '4059', 'E']

SOLUTION: 11, 21, 2319, 3941, 183, 5351, 6, 6081, 26, 7, 10, 3, 8693, 1, 13, 5089, 22, 8601, 1517, 7821, 21, 14, 2, 4, 2145, 8555, 1563, 4059, 5

PROBLEM: ['6877', 'l', 'd', 'n', '489', '1817', '2877', '883', '6965', 'L', '2219', 'A', '5233', 'G', 'Z', '219', 'O', 'j', 'T', '607', 'd', '4563', 'M', '7059', '4253', 'G', 'y', '5203', '3319', '5191']

SOLUTION: 6877, 12, 4, 14, 489, 1817, 2877, 883, 6965, 12, 2219, 1, 5233, 7, 26, 219, 15, 10, 20, 607, 4, 4563, 13, 7059, 4253, 7, 25, 5203, 3319, 5191

PROBLEM: ['6095', 's', 'E', '9977', '2069', '1155', 'i', '1057', 'Q', '5343', 'i', 'i', 'h', 'R', 'R', 'M', '1565']

SOLUTION:
6095, 19, 5, 9977, 2069, 1155, 9, 1057, 17, 5343, 9, 9, 8, 18, 18, 13, 1565