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: ['p', 'S', '1071', 't', 'g', 'x', '1701', '3229', '371', '5019', '8833', 'V']

16, 19, 1071, 20, 7, 24, 1701, 3229, 371, 5019, 8833, 22