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: ['l', 'i', '8333', 'j', '7227', 'u', 'K', 'R', 'h', '5705', '1577', 'y', 'r', '8163', '2741', '4419', '1183', '8035']

12, 9, 8333, 10, 7227, 21, 11, 18, 8, 5705, 1577, 25, 18, 8163, 2741, 4419, 1183, 8035