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: ['G', '5971', '8785', '5971', 'N', '8051', 'p', '5141', '2533', '8159', 'g', '3633', 'g', '7531', 'V', 'W', 'y', '7101', 'w', 'x', '9131', 'F', '7945', 'R', '3077', '5015', '2237', 'v']

7, 5971, 8785, 5971, 14, 8051, 16, 5141, 2533, 8159, 7, 3633, 7, 7531, 22, 23, 25, 7101, 23, 24, 9131, 6, 7945, 18, 3077, 5015, 2237, 22