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: ['5061', '1495', 'a', '8825', '2529', 'n', 'J', 'x', 'm', '7385', '2015', 'p', '8701', 'A', '2135', 'T', '5677', 'q', 'D', 'z', 'P', '5029', '2453', '815', 'G', 'T', 'R', 'i', '503', '8465', '9803', '9109', 'I', 'v', '9501', 'D', '6009', 'T', 'r', 'F']

5061, 1495, 1, 8825, 2529, 14, 10, 24, 13, 7385, 2015, 16, 8701, 1, 2135, 20, 5677, 17, 4, 26, 16, 5029, 2453, 815, 7, 20, 18, 9, 503, 8465, 9803, 9109, 9, 22, 9501, 4, 6009, 20, 18, 6