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: ['H', 'y', 'J', '5535', 'S', '1725', '7833', 'I', 'f', '8467', '69', 'v', 'p', '805', '6331', 's', 'P', 'k', 'T', 'w', '8831', 'C', 'r', 'i', 'Q', '6129', 'f', 't', 'n', '2495', '645', '9101', '5191', 't', '8545', '9523', '817', 'g', 'A', '2805']

8, 25, 10, 5535, 19, 1725, 7833, 9, 6, 8467, 69, 22, 16, 805, 6331, 19, 16, 11, 20, 23, 8831, 3, 18, 9, 17, 6129, 6, 20, 14, 2495, 645, 9101, 5191, 20, 8545, 9523, 817, 7, 1, 2805