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: ['1351', 'w', 'U', 'x', 'c', '3935', 'X', 'K', 'D', '8795', '4387', '8133', 'i', '6151', '7309', '5949', 'X', 'i', 'p', 'B', '3815', '5929', 'H', '6693', 'r', '3727', 'm', 'E', '6575', '1377', 'k', 'p']

SOLUTION: 1351, 23, 21, 24, 3, 3935, 24, 11, 4, 8795, 4387, 8133, 9, 6151, 7309, 5949, 24, 9, 16, 2, 3815, 5929, 8, 6693, 18, 3727, 13, 5, 6575, 1377, 11, 16

PROBLEM: ['6953', 'b', 'q', '4389', '895', 'H', '8783']

SOLUTION: 6953, 2, 17, 4389, 895, 8, 8783

PROBLEM: ['4075', '9113', '5247', 'I', '5819', 'B', 'A', '3197', '6673', '747', 'A', '8361', 'f', 'g', '7691', 'x', '9337', '8965', '8671', '6257', 'b', '8151', 'Y', '9637', '7497', '975', 'U', '2543', 'C', '5747', 't', 'M', 'F', 'e', '2565', 't', '6731', 'd', 'E']

SOLUTION:
4075, 9113, 5247, 9, 5819, 2, 1, 3197, 6673, 747, 1, 8361, 6, 7, 7691, 24, 9337, 8965, 8671, 6257, 2, 8151, 25, 9637, 7497, 975, 21, 2543, 3, 5747, 20, 13, 6, 5, 2565, 20, 6731, 4, 5