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: ['9693', '715', '3781', '4627', '1943', 'D', '7787', 'I', 'N', 'J', 'y', 'y', '817', 'a', 'c', 'F', 'X', 'B', 'E', 'o', '3053', 't']

9693, 715, 3781, 4627, 1943, 4, 7787, 9, 14, 10, 25, 25, 817, 1, 3, 6, 24, 2, 5, 15, 3053, 20