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: ['N', 'R', 'W', '7465', '7983', 'J', 'V', 'u', '2855', '6815', 'l', '5985', 'Q', '939', 'D', 'F', 'B', 'B', '1091', 'J', 'n', '8029']

SOLUTION: 14, 18, 23, 7465, 7983, 10, 22, 21, 2855, 6815, 12, 5985, 17, 939, 4, 6, 2, 2, 1091, 10, 14, 8029

PROBLEM: ['b', '7621', '8621', 'p', 'O', '1961', '9275', 'F', 'T', 'w', '9143', 'T', '9715', 'K', '237', 'o', '1183', '1163', 'O', '1803', 'u', 'W', 'd', 'E', 'c', 'z', '8349', '1673', '1915', '1497', 'g', 'D', '9995', '3891', '2029', '8911', 'b', '7891', '1757', 'r']

SOLUTION: 2, 7621, 8621, 16, 15, 1961, 9275, 6, 20, 23, 9143, 20, 9715, 11, 237, 15, 1183, 1163, 15, 1803, 21, 23, 4, 5, 3, 26, 8349, 1673, 1915, 1497, 7, 4, 9995, 3891, 2029, 8911, 2, 7891, 1757, 18

PROBLEM: ['C', '4175', 'v', 'R', '8321', 's', 'l', '1993', 'P', 'a']

SOLUTION:
3, 4175, 22, 18, 8321, 19, 12, 1993, 16, 1