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: ['1185', 'Q', 'z', 'N', '2871', '2485', '4515', '1769', 'l', '4727', 'W', 'p', 'I', 'g', '9073', 'N', 'B', '7335', '7027', 'a', '7201', '1149', '6085', 'a', '7821', '6525', 'y', 'U', '6847', 'A', 'X', 'g', 't', '219', '7415']

1185, 17, 26, 14, 2871, 2485, 4515, 1769, 12, 4727, 23, 16, 9, 7, 9073, 14, 2, 7335, 7027, 1, 7201, 1149, 6085, 1, 7821, 6525, 25, 21, 6847, 1, 24, 7, 20, 219, 7415