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: ['3695', 'v', 'o', 'M', 'g', '9223', 'R', '3447', 'x', 'v', '983', '2833', '5719', 'B', 'N', '3703', 'M']

SOLUTION: 3695, 22, 15, 13, 7, 9223, 18, 3447, 24, 22, 983, 2833, 5719, 2, 14, 3703, 13

PROBLEM: ['a', '8765', 'T', '815', '2407', 'j', 'C', 'g', 'M', '1377', 'L', 'm', 'L', '5553', 'Z', 'g', '7403', 'W', 'H', '7521', 'R', '3921', 'I']

SOLUTION: 1, 8765, 20, 815, 2407, 10, 3, 7, 13, 1377, 12, 13, 12, 5553, 26, 7, 7403, 23, 8, 7521, 18, 3921, 9

PROBLEM: ['1821', 'X', 'y', 'e', 'n', '9051', 'W', 'D', 'N', '571', '3109', 'r', 'R', '8361', '1611', '4547', 'g', '3199', '2141', '5617', '1261', 'S', '3931', 'z', 'U', '9119', '2385', '4925', 'n', 'f', 'e', 'w', '673', 'G', '9263', '1197', '8025', 'w', '5805']

SOLUTION:
1821, 24, 25, 5, 14, 9051, 23, 4, 14, 571, 3109, 18, 18, 8361, 1611, 4547, 7, 3199, 2141, 5617, 1261, 19, 3931, 26, 21, 9119, 2385, 4925, 14, 6, 5, 23, 673, 7, 9263, 1197, 8025, 23, 5805