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: ['8763', 'k', 'k', '2827', '8269', 'T', '3961', '6589', '4817', '2701']

SOLUTION: 8763, 11, 11, 2827, 8269, 20, 3961, 6589, 4817, 2701

PROBLEM: ['H', 'f']

SOLUTION: 8, 6

PROBLEM: ['4617', '5975', '7685', '5505', 'w', '3199', 'g', 'f', 'M', 'W', 'G']

SOLUTION:
4617, 5975, 7685, 5505, 23, 3199, 7, 6, 13, 23, 7