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: ['z', '4435', '561', '7511', 'k', '6775', 'J', '3393', '6869', '7801', '515', '2827', '9503', '6233', 'F', '207', 'j', '1475', '8283', 'M', '3929', '3203', 'd', 'R', '151', 'K', 'g', '9505', 'N', '5347', '2649', '2201', 'Z', 'L', 'X', '9083', '2059', 'T']

26, 4435, 561, 7511, 11, 6775, 10, 3393, 6869, 7801, 515, 2827, 9503, 6233, 6, 207, 10, 1475, 8283, 13, 3929, 3203, 4, 18, 151, 11, 7, 9505, 14, 5347, 2649, 2201, 26, 12, 24, 9083, 2059, 20