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: ['2565', '6315']

SOLUTION: 2565, 6315

PROBLEM: ['h', '5021', '7395', '4101', 'r', '703', '871', 'S', 'g', 'R', '3871', 'c', '6607', 'i', '7281', 'S', '8021', 'n', '9299', '4509', 'b', 'v', 'G', '9239', 'p']

SOLUTION: 8, 5021, 7395, 4101, 18, 703, 871, 19, 7, 18, 3871, 3, 6607, 9, 7281, 19, 8021, 14, 9299, 4509, 2, 22, 7, 9239, 16

PROBLEM: ['y', '9825', '6701', '2697', '8625', 'r', 'd', 'g', 'U', 'x', '1009', '3885', 'Y', 'z', '5497']

SOLUTION:
25, 9825, 6701, 2697, 8625, 18, 4, 7, 21, 24, 1009, 3885, 25, 26, 5497