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: ['9437', '6223', 'J', 'A', '4665', '8867', '5767', 'D', 'Y', '2237', '6659', '9233', '8313', 'd', 'A', 'T', '8701', 'Q', 'G', '199', '9295', 'i', '3701', 'n', 'b', 'd', '281', '8387', 'N']

9437, 6223, 10, 1, 4665, 8867, 5767, 4, 25, 2237, 6659, 9233, 8313, 4, 1, 20, 8701, 17, 7, 199, 9295, 9, 3701, 14, 2, 4, 281, 8387, 14