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.

Example Input: ['8555', 'i', 'k', 'S', '2087', '3173', 'L', 'c', '6565', '5925', '7023', '723', '4561', '1783', '4133', '9889', '3921', '1277', '3951', 'B']
Example Output: 8555, 9, 11, 19, 2087, 3173, 12, 3, 6565, 5925, 7023, 723, 4561, 1783, 4133, 9889, 3921, 1277, 3951, 2

Example Input: ['5151', '8663', '4373', 'L', '5491', '123', 'l', 'E', 'b', '3047', 'o']
Example Output: 5151, 8663, 4373, 12, 5491, 123, 12, 5, 2, 3047, 15

Example Input: ['5851', '8883', '7577', '951', '8947', 'X', 'u', '8959', '9171', '7785', '1727', '5397', '3431', 'b', '2857', 'n', 'H', '3759']
Example Output:
5851, 8883, 7577, 951, 8947, 24, 21, 8959, 9171, 7785, 1727, 5397, 3431, 2, 2857, 14, 8, 3759