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: ['5867', '8923', '8873', '8155', '5663', 'l', '4411', '9429', 'v', '7155', 'h', 'S', 'g', 'Q', 'N', 'z', 'S', 'h', '6753', 'o', '525', 'Y', 'n', '2855', '8433', '2125', 'n', 'r', 'X', '4863']

SOLUTION: 5867, 8923, 8873, 8155, 5663, 12, 4411, 9429, 22, 7155, 8, 19, 7, 17, 14, 26, 19, 8, 6753, 15, 525, 25, 14, 2855, 8433, 2125, 14, 18, 24, 4863

PROBLEM: ['4647', '3833', '9203', '8189', '6519', 'R', '4503', '2261', 'T', 'W', '6593', 'V', 'i']

SOLUTION: 4647, 3833, 9203, 8189, 6519, 18, 4503, 2261, 20, 23, 6593, 22, 9

PROBLEM: ['o', 'S', '5687', '8695', 'I', '5337', 'S', 'y', '447', 'O', 'y', '5641', '4169', 'F', 'n', '4063', '8135', '3735', 'n', '8519', '7875', 'I', '5455', '6389', '4405', '2345', '7073', '5893', '6233', 'f', '6533']

SOLUTION:
15, 19, 5687, 8695, 9, 5337, 19, 25, 447, 15, 25, 5641, 4169, 6, 14, 4063, 8135, 3735, 14, 8519, 7875, 9, 5455, 6389, 4405, 2345, 7073, 5893, 6233, 6, 6533