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: ['6971', '4131', 'O', '2493', 'y', '4477', '7595', 'y', 'q', 'q', 'Z', '4425', 'f', 'd', 'b', 'Q', 'R', 'I', '4327', '4061', '7265', 'v', 'X', 'x', '7469', 'j', '1915', '701', '4965', '5655', 'E', '1001', '3265', '705', 'm', '9785', '7037', 'H', '1127', '8547']

SOLUTION: 6971, 4131, 15, 2493, 25, 4477, 7595, 25, 17, 17, 26, 4425, 6, 4, 2, 17, 18, 9, 4327, 4061, 7265, 22, 24, 24, 7469, 10, 1915, 701, 4965, 5655, 5, 1001, 3265, 705, 13, 9785, 7037, 8, 1127, 8547

PROBLEM: ['2067', '4119', 'P', '6271', '479', '2117', 'L', 'D', '9883', 't', 't', '9621', '1663', 'V', '8163', 'p', 'l', 'P', 'Z', 'Z', '3315', '5653', 'q', '9829', '7081', '9149', 'm', '6469', 'Q', '6813', '4487', 'Q']

SOLUTION: 2067, 4119, 16, 6271, 479, 2117, 12, 4, 9883, 20, 20, 9621, 1663, 22, 8163, 16, 12, 16, 26, 26, 3315, 5653, 17, 9829, 7081, 9149, 13, 6469, 17, 6813, 4487, 17

PROBLEM: ['7221', '8249', 'G', '2339', 'f', 'G', 'S', '3015', '1887', 'b', '7897', 'z', 'B', 'D', '3905', 'f', '5017', '4883', '65', 'N', 'o', '4079', '9631', 'c', '6391']

SOLUTION:
7221, 8249, 7, 2339, 6, 7, 19, 3015, 1887, 2, 7897, 26, 2, 4, 3905, 6, 5017, 4883, 65, 14, 15, 4079, 9631, 3, 6391