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: ['183', '1451', 'p', 'd', 'M', '2163', '7743', '407', '3441', 'o', 'X', '9995', 'p', 'd', '6225', '5155', '9731', '6857', '9827', 'V', 's', 'P', 'l', '325', 'J', '9723', 'J', '8231', 'A', '8961']

183, 1451, 16, 4, 13, 2163, 7743, 407, 3441, 15, 24, 9995, 16, 4, 6225, 5155, 9731, 6857, 9827, 22, 19, 16, 12, 325, 10, 9723, 10, 8231, 1, 8961