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: ['2035', 'j', '3517', 'E', 'f', 'X', '6105', 'L', '5567', '1991', '8817', 'N', 'b', '9729', 'F', '7083', 'U', '5449', '8473', 'k', 'X', '1987', 'r', 'n', '8483', '957', '535', 'w', 'D', 'c', 'D', 'd', 'V', 'D', '2217', '5891', '6747', '5889', '9611']

2035, 10, 3517, 5, 6, 24, 6105, 12, 5567, 1991, 8817, 14, 2, 9729, 6, 7083, 21, 5449, 8473, 11, 24, 1987, 18, 14, 8483, 957, 535, 23, 4, 3, 4, 4, 22, 4, 2217, 5891, 6747, 5889, 9611