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: ['w', 'c', 'j', 'l', '25', 'T', 'j']

23, 3, 10, 12, 25, 20, 10