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: ['8851', 'k', 'x', 'O', '9071', 'C', 'O', 'k', 'd', '5141', 'e', 'l', '4239', 'S', '2521', 'G', 'y', 'v', 't', '5275', '8869', '7553', '1857', '7843', '2203', 'v', '7867', 'D', '299', '2347', 'Z', 'K']

SOLUTION: 8851, 11, 24, 15, 9071, 3, 15, 11, 4, 5141, 5, 12, 4239, 19, 2521, 7, 25, 22, 20, 5275, 8869, 7553, 1857, 7843, 2203, 22, 7867, 4, 299, 2347, 26, 11

PROBLEM: ['q', '2019', 'l', '9405', 'A', '3655', '6443', '4813', 'F', '7631', 'C', '3765', '9367', '2141', 'k', 'x', '2817', 'a', '3691', 'L', '1637', '2607', 'n', '6453', '989', '6909', '6149', '1725', 'w', '11', 'A', '6677', 'J', 'r', '8371', 'k', 'O', '5241', 'a', '2069']

SOLUTION: 17, 2019, 12, 9405, 1, 3655, 6443, 4813, 6, 7631, 3, 3765, 9367, 2141, 11, 24, 2817, 1, 3691, 12, 1637, 2607, 14, 6453, 989, 6909, 6149, 1725, 23, 11, 1, 6677, 10, 18, 8371, 11, 15, 5241, 1, 2069

PROBLEM: ['7527', 'I', '7847', '5857', 'G', '7979', '4529', 'B', 'X', '9035', 'S', '103', '9783', 'M']

SOLUTION:
7527, 9, 7847, 5857, 7, 7979, 4529, 2, 24, 9035, 19, 103, 9783, 13