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: ['739', '7073', 'W', '2027', 'l', '1851', '5565', 'Q', '6835', 'A', 'E', 'F', 'e', 'g', '965']

739, 7073, 23, 2027, 12, 1851, 5565, 17, 6835, 1, 5, 6, 5, 7, 965