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: ['H', 'f', 'c', 'x', '3663', '7263', 'J', '5817', '9617', 's', 'r', 'W', '8865', 'a', 'I', 'N', '1327', 'q']

8, 6, 3, 24, 3663, 7263, 10, 5817, 9617, 19, 18, 23, 8865, 1, 9, 14, 1327, 17