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: ['R', 'e', 'Q', 'p', '5949', '4167', 'F', 'e', 'V', '6029', 'n', 'g', 'x', '3077', 'l', '4933', 'Q', 'y', '8411', 'e', 'h', '6841', 'q', 'p', 'p', '4539', 'W', 'c', '1847', 'p', '207', '8631', 'H', '6253', 'n', 'F', 't']

18, 5, 17, 16, 5949, 4167, 6, 5, 22, 6029, 14, 7, 24, 3077, 12, 4933, 17, 25, 8411, 5, 8, 6841, 17, 16, 16, 4539, 23, 3, 1847, 16, 207, 8631, 8, 6253, 14, 6, 20