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: ['N', '9205', '8235', '395', '6059', 'C', '5203', '5909', 'R', 'X', 'r', '3227', 'q', 'G', '5925', '5149', 'f', '9053', '9875', 'Y', '6935', '3559', 'm', 'I', 'a', '7445', 'J', '5637', '5801', 'T', '5171']

14, 9205, 8235, 395, 6059, 3, 5203, 5909, 18, 24, 18, 3227, 17, 7, 5925, 5149, 6, 9053, 9875, 25, 6935, 3559, 13, 9, 1, 7445, 10, 5637, 5801, 20, 5171