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: ['2693', 'q', '1077', 'V', '4429', 'Y', '29', '3395', 'e', '5979', 'K', '3225', '4173']

SOLUTION: 2693, 17, 1077, 22, 4429, 25, 29, 3395, 5, 5979, 11, 3225, 4173

PROBLEM: ['b', 'a', 'v', 'W', 'R', '2221', 'N', '9463', 'Z', 'd', 'u', '9345']

SOLUTION: 2, 1, 22, 23, 18, 2221, 14, 9463, 26, 4, 21, 9345

PROBLEM: ['K', 'W', 'k', 'B', '1919', 'a', 'D', 'L', '6473', '1937', 'z', 'b', '1343', '5213', 'H', '4479', '3635', '3007', '8737', 's', 'f', 'j', '9045', 'S', 'z']

SOLUTION:
11, 23, 11, 2, 1919, 1, 4, 12, 6473, 1937, 26, 2, 1343, 5213, 8, 4479, 3635, 3007, 8737, 19, 6, 10, 9045, 19, 26