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: ['B', 'H', 'D', '601', '3151', '8949', 'R', '5629', '8173', '7509', 'q', '4759', '227', 'p', '6201', 'Y', 'R', '3277', '927', '4941', 'u', '9265', 't', 'g', 'G', 'Q', 'w', '339', 'W', 'q', '5225', 'k', '6361', 'i', 'T', '4951', 'Q']

2, 8, 4, 601, 3151, 8949, 18, 5629, 8173, 7509, 17, 4759, 227, 16, 6201, 25, 18, 3277, 927, 4941, 21, 9265, 20, 7, 7, 17, 23, 339, 23, 17, 5225, 11, 6361, 9, 20, 4951, 17