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: ['1979', '9217', '4309', '4071', 'w', 'P', '5303', 't', 'g', 'q', 'X', '9773', 'T', '2279', '1211', '9503', '5667', 'O', 'P', '3685', '2417']

SOLUTION: 1979, 9217, 4309, 4071, 23, 16, 5303, 20, 7, 17, 24, 9773, 20, 2279, 1211, 9503, 5667, 15, 16, 3685, 2417

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: ['2517', 'k', '9163', '1051', 'o', 'j', '755', 'N', '5879', 'Z', '2481', 'F', '7037', 'u', '7955', 'F', '4049', '1649', 'e', '8401', 'I', '7521', '7393', '3911', '8253', 'K', 'E', 'd', '8439', '5891', 'q', '153', '8879', 'K', '3617', '9931', 'e', '1107', 'J']

SOLUTION:
2517, 11, 9163, 1051, 15, 10, 755, 14, 5879, 26, 2481, 6, 7037, 21, 7955, 6, 4049, 1649, 5, 8401, 9, 7521, 7393, 3911, 8253, 11, 5, 4, 8439, 5891, 17, 153, 8879, 11, 3617, 9931, 5, 1107, 10