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.
Input: ['k', '5917', 'V', '9095', '6905', '1619', 'k', 'Y', '2139', '3925', '8755', 'F', 'Z', 'k', 'q', '7191', 'c', 'U', 'h', 'J', 'J', '1633', 'e', '7161', '821', '3431', '3947', '1959', 'K', '2697', 'w', 'R', '7875', '3031', '8961', 'z', 'W']

11, 5917, 22, 9095, 6905, 1619, 11, 25, 2139, 3925, 8755, 6, 26, 11, 17, 7191, 3, 21, 8, 10, 10, 1633, 5, 7161, 821, 3431, 3947, 1959, 11, 2697, 23, 18, 7875, 3031, 8961, 26, 23