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: ['3045', 'j', 'x', '4037', '3257', 'm', 'x', 'a', 't', '2825', '517', '8593', 'X', 'b', 'c', 'r', 'c', '4911', '8645', 'q', '5105', 'K', '453', 'r']

3045, 10, 24, 4037, 3257, 13, 24, 1, 20, 2825, 517, 8593, 24, 2, 3, 18, 3, 4911, 8645, 17, 5105, 11, 453, 18