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', 'l', '5697', '9845', 'V', 'H', '7883', 'e', 'j', 'h', 'H', 'W', '1533', '9607', 'o', 'U', 'M', '4529', '6087', '3117', '5905', '1799', '5637', 'A', 'Q', 'q']

12, 12, 5697, 9845, 22, 8, 7883, 5, 10, 8, 8, 23, 1533, 9607, 15, 21, 13, 4529, 6087, 3117, 5905, 1799, 5637, 1, 17, 17