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: ['q', '4153', '3149', 'i', 'd', 'v', '2905', 'l', 'b', 'V', 'u', 'D', '6565', '581', '5809', 'g', '9931', 'o', '2281', 'g', '8047', '301', 'H', 'X', '9683', '203', 'W', '4687', 'o', '7347', '9637']

17, 4153, 3149, 9, 4, 22, 2905, 12, 2, 22, 21, 4, 6565, 581, 5809, 7, 9931, 15, 2281, 7, 8047, 301, 8, 24, 9683, 203, 23, 4687, 15, 7347, 9637