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', '1799', '7501', '649', 'z', '8201', '245', '4399', '7251', 'h', '5965', '3177', 'd', 't', '4391', 'V', 'e', '2927', '355', 'K', '2133', '5773', '2707']

26, 1799, 7501, 649, 26, 8201, 245, 4399, 7251, 8, 5965, 3177, 4, 20, 4391, 22, 5, 2927, 355, 11, 2133, 5773, 2707