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: ['3077', 'U', 'd', '7415', 'm', '1495', '8173', 'Q', '4079', 'r', '4999', 'I', '4443', '1163', '6583', '3705', '6201', 'B', 'q', '2355', 's', 'b', '3065', 'p', 'u', 'w', '7871', 'x', '5951', 'q', 'L', 'L', '6737', 's', 'T', '91', '1301', 'y']

3077, 21, 4, 7415, 13, 1495, 8173, 17, 4079, 18, 4999, 9, 4443, 1163, 6583, 3705, 6201, 2, 17, 2355, 19, 2, 3065, 16, 21, 23, 7871, 24, 5951, 17, 12, 12, 6737, 19, 20, 91, 1301, 25