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: ['I', '2095', 'L', 'Z', '7277', 'n', 'G', '1225', 'E', 'y', '6103', '579', 'o', '2513', 'L', '9385', 'y', 'p', '3547', '8123', '8471', '6067', 'p', '8293', 'U', '345', '5503', 'A', 'J']

SOLUTION: 9, 2095, 12, 26, 7277, 14, 7, 1225, 5, 25, 6103, 579, 15, 2513, 12, 9385, 25, 16, 3547, 8123, 8471, 6067, 16, 8293, 21, 345, 5503, 1, 10

PROBLEM: ['785', '3957', '2269', '1331', 'N', '8075', '3705', 'T', 'n', 'j', '4257', '8441', 'o', '9959', '6535', 'F', '3949', '3071', 'u', 'x', 'S', 'V', 'f', '83', '9939', '9659', 'y']

SOLUTION: 785, 3957, 2269, 1331, 14, 8075, 3705, 20, 14, 10, 4257, 8441, 15, 9959, 6535, 6, 3949, 3071, 21, 24, 19, 22, 6, 83, 9939, 9659, 25

PROBLEM: ['X', '7551', 'g', 'T', '71', '8975', '5259', '1439', 'Z', '6875', 'C', '6221', 'l', 'M', '4697']

SOLUTION:
24, 7551, 7, 20, 71, 8975, 5259, 1439, 26, 6875, 3, 6221, 12, 13, 4697