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: ['8897', '4785', 't', '6549', 'r', '9073', 'B']

SOLUTION: 8897, 4785, 20, 6549, 18, 9073, 2

PROBLEM: ['X', '5185', 'U', '9017', '3025', 'q', 'm', 'n', '7927', 'i', '1285', '2127', 'b', 'k', 'o', '9065', '8583', '921', 'I', '6909', '7181', '5681', 'z', 'K', 'T', '7321', 'q', 'm', 'N', 'p', 'O']

SOLUTION: 24, 5185, 21, 9017, 3025, 17, 13, 14, 7927, 9, 1285, 2127, 2, 11, 15, 9065, 8583, 921, 9, 6909, 7181, 5681, 26, 11, 20, 7321, 17, 13, 14, 16, 15

PROBLEM: ['3977', '8889', 'g', '9591']

SOLUTION:
3977, 8889, 7, 9591