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: ['Z', '3475', 'E', 'j', '3677', '1917', 'I', '8059', '4703', '3797', 'J', 'N', '8541', '4289', 'g', 'L', '4629', '6549', '5659']

SOLUTION: 26, 3475, 5, 10, 3677, 1917, 9, 8059, 4703, 3797, 10, 14, 8541, 4289, 7, 12, 4629, 6549, 5659

PROBLEM: ['163', '235', 'N', 'k', '371', 'a']

SOLUTION: 163, 235, 14, 11, 371, 1

PROBLEM: ['M', '3973', 'k', '4209', '9587', 'i', 'v', 'Q', '6333', 'B', 'r', '3549', '2173', 'i', 'f', '581', 'e', 'G', '2813', 'X', '3333', '579', 'e', 'G', 'l', 'j', '8931', 'r', '9819', 'y', '6411', 'j', 'b', 'l', '2897', 'H', '2425']

SOLUTION:
13, 3973, 11, 4209, 9587, 9, 22, 17, 6333, 2, 18, 3549, 2173, 9, 6, 581, 5, 7, 2813, 24, 3333, 579, 5, 7, 12, 10, 8931, 18, 9819, 25, 6411, 10, 2, 12, 2897, 8, 2425