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', 'w', 'G', 'r', '4955', '2689', '9577', '5609', '4961', 'u', 'T', '3317', 'z', 'i', '8487', '35', '325', '6401', 'g', 'q', '8853', 'P', '5075', '9891', 'k', '9387', 'D', '1419', '9407', '5319', 'I', 'N', 'i']

26, 23, 7, 18, 4955, 2689, 9577, 5609, 4961, 21, 20, 3317, 26, 9, 8487, 35, 325, 6401, 7, 17, 8853, 16, 5075, 9891, 11, 9387, 4, 1419, 9407, 5319, 9, 14, 9