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: ['1171', '7585', 'H', 'R', '367', '4509', '9555', '9691', '8173', '6007', '2391', '4867', 't', 'l', '5127', 'W', '3795', 'p', '8375']

SOLUTION: 1171, 7585, 8, 18, 367, 4509, 9555, 9691, 8173, 6007, 2391, 4867, 20, 12, 5127, 23, 3795, 16, 8375

PROBLEM: ['Q', '5755', 'T', '8841', '1675', 'b', 's', '6861', 'v', '3147', 'O', 'G', 'p', 'i', '6877', 'v', 'P', 'u', '4357', '4171', 'y', 'Z', 's', '6635', 'F', '8927', '6837', '4827', '2235', 'v', '2963', '1975', 'G', '7075', '8185', 'P', '8033', 'U']

SOLUTION: 17, 5755, 20, 8841, 1675, 2, 19, 6861, 22, 3147, 15, 7, 16, 9, 6877, 22, 16, 21, 4357, 4171, 25, 26, 19, 6635, 6, 8927, 6837, 4827, 2235, 22, 2963, 1975, 7, 7075, 8185, 16, 8033, 21

PROBLEM: ['S', '7395', 'X', 'D', 'u', 'u', '319', 'J', '95', '1829', '97', 'S', '5627', '607', 'm', 'M', 'K', '4185', 'H', 'x', 'p', '3185', 'V', '1819', 'B', '4793', '3829', '807']

SOLUTION:
19, 7395, 24, 4, 21, 21, 319, 10, 95, 1829, 97, 19, 5627, 607, 13, 13, 11, 4185, 8, 24, 16, 3185, 22, 1819, 2, 4793, 3829, 807