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', 'c', '7267', '2287', '5525', '415', '593', 'q', '8391', 'E', 'v', '4791', 'm', '2343', 'S', 'j', '3719', 'H', '1105']

22, 3, 7267, 2287, 5525, 415, 593, 17, 8391, 5, 22, 4791, 13, 2343, 19, 10, 3719, 8, 1105