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: ['V', 'G', '5755', 'T', 'I', '5895', 'j', 'i', 'W', '7951', 'R', 'l', '4037', '5351', '1265', 'd']

22, 7, 5755, 20, 9, 5895, 10, 9, 23, 7951, 18, 12, 4037, 5351, 1265, 4