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', '2591', 'z', 'C', 'H', '8071', 't', '9061', 'w', 'z', '4609', '2073', '2433', '2409', 'T', 'Z', 'd', 'L', 'X', 'h', 'j', 'Y', '4709', 'N', 'v', 'e', 'Y', 'N', 'A', 'v', 'K', '4911', '7419']

22, 2591, 26, 3, 8, 8071, 20, 9061, 23, 26, 4609, 2073, 2433, 2409, 20, 26, 4, 12, 24, 8, 10, 25, 4709, 14, 22, 5, 25, 14, 1, 22, 11, 4911, 7419