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: ['785', '3957', '2269', '1331', 'N', '8075', '3705', 'T', 'n', 'j', '4257', '8441', 'o', '9959', '6535', 'F', '3949', '3071', 'u', 'x', 'S', 'V', 'f', '83', '9939', '9659', 'y']

SOLUTION: 785, 3957, 2269, 1331, 14, 8075, 3705, 20, 14, 10, 4257, 8441, 15, 9959, 6535, 6, 3949, 3071, 21, 24, 19, 22, 6, 83, 9939, 9659, 25

PROBLEM: ['W', 'X', '985', 'y', '4335', '2493', 'I', '99', 'h', 'U', '8529', '757', '5665', 'g', 'o', 'N', 'b', 'a', 'B', '1915', '3483', '5071', 'F', '6857', 'Y', '7095', 'r', '3891', '4093', '5987', '8619', '2405', 'V', '9149', '8147', '5575', '405', 'C', '543', '6969']

SOLUTION: 23, 24, 985, 25, 4335, 2493, 9, 99, 8, 21, 8529, 757, 5665, 7, 15, 14, 2, 1, 2, 1915, 3483, 5071, 6, 6857, 25, 7095, 18, 3891, 4093, 5987, 8619, 2405, 22, 9149, 8147, 5575, 405, 3, 543, 6969

PROBLEM: ['I', '6895', '13', '1719', '8239', '6573', 'z', 'D', '1597', 'g', 'x', '7161']

SOLUTION:
9, 6895, 13, 1719, 8239, 6573, 26, 4, 1597, 7, 24, 7161