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: ['3345', '6477', 'H', '4143', 'E', 'g', '1607', '1405', '4485', '207', '3191', '2335', '6759', 'Z', '2385', '9181', 'I', '3283', '8735']

SOLUTION: 3345, 6477, 8, 4143, 5, 7, 1607, 1405, 4485, 207, 3191, 2335, 6759, 26, 2385, 9181, 9, 3283, 8735

PROBLEM: ['t', '8125', '6519', 'M', '4533', '9091', '4193', '9863', 'e', '4265', '5907', 'N', '8095', 'N', '7611', 'l', '7529', 'j', 'P', '2989', 'A', 'h', 'Y', '9077', 'J', '5147', 'K', '99']

SOLUTION: 20, 8125, 6519, 13, 4533, 9091, 4193, 9863, 5, 4265, 5907, 14, 8095, 14, 7611, 12, 7529, 10, 16, 2989, 1, 8, 25, 9077, 10, 5147, 11, 99

PROBLEM: ['L', 'G', '3981', 'p', 'U', '7947', 'V', '7131', '5603', '305', 'H']

SOLUTION:
12, 7, 3981, 16, 21, 7947, 22, 7131, 5603, 305, 8