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: ['Z', 'L', '3895', '5743', '1119', '9747', '7353', '5749', '2839', '1035']

26, 12, 3895, 5743, 1119, 9747, 7353, 5749, 2839, 1035