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', '5983', 's', 'D', 'm', 'P', '8385', 'Z', '9903', 'f', '7649', '2181', '5189', '4757', 'p', '1139', '5429', 'e', '2023', '7431']

SOLUTION: 14, 5983, 19, 4, 13, 16, 8385, 26, 9903, 6, 7649, 2181, 5189, 4757, 16, 1139, 5429, 5, 2023, 7431

PROBLEM: ['8941', 'S', '7811', '3683', 'c', '4133', '7281', 'q', 't', 'L', 'H', '8555', 'h', '7851', 'x', '4329', 'Z', 'S', '2173', 'f', '6157', 'q']

SOLUTION: 8941, 19, 7811, 3683, 3, 4133, 7281, 17, 20, 12, 8, 8555, 8, 7851, 24, 4329, 26, 19, 2173, 6, 6157, 17

PROBLEM: ['6763', '2941', '9507', '9169', '4855', '9145', '4539', '7783', 'b', '547', 'U', 'L', 'i', 'G', 'd', 'x', '3237', '2281', 'J', 'M', '5149', 'p', '8637', 'b', '6723', '3007', 'U', 'T', '5705', '673', 'H', '6631', 'D', '7907', '7721', 'F']

SOLUTION:
6763, 2941, 9507, 9169, 4855, 9145, 4539, 7783, 2, 547, 21, 12, 9, 7, 4, 24, 3237, 2281, 10, 13, 5149, 16, 8637, 2, 6723, 3007, 21, 20, 5705, 673, 8, 6631, 4, 7907, 7721, 6