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: ['N', '197', 'R', '1201', 'd', '7197', 'X', 'E', '8201', 'O', '7285', 'p', 'B', 'n', 'n', 'Z', 'A', '965', '8887', '5067', 'Z', 'M']

14, 197, 18, 1201, 4, 7197, 24, 5, 8201, 15, 7285, 16, 2, 14, 14, 26, 1, 965, 8887, 5067, 26, 13