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', 'A', '605', '3097', '1225', '9149', '4735', 'f', 'w', 'U', 'd', 's', '5731', 'K', '8527', '9327', '7495']

7, 1, 605, 3097, 1225, 9149, 4735, 6, 23, 21, 4, 19, 5731, 11, 8527, 9327, 7495