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', 'b', 'J', 'u', '5277', '7065', 'k', '6231', 'z', 'd', '1195']

14, 2, 10, 21, 5277, 7065, 11, 6231, 26, 4, 1195