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.

['I', 'y', 'E']
9, 25, 5

['P', 'j', 's', 'L', 'k', '83', '1829', 'N', '5707', 'w', 't', 't', 'o', '5135', 'l', 'J', 'p', 'V', '1127', 'x', 'k', 'Y', 'Q', '6979', '4907']
16, 10, 19, 12, 11, 83, 1829, 14, 5707, 23, 20, 20, 15, 5135, 12, 10, 16, 22, 1127, 24, 11, 25, 17, 6979, 4907

['s', 'd', '3563', '9159', 'X', 'm', '8195', 'I', '8103', '1497', '409', 'c', 'J', '6045', '7689', 'l', '2495', 'j', 'n', 'A', 'i', '4215']

19, 4, 3563, 9159, 24, 13, 8195, 9, 8103, 1497, 409, 3, 10, 6045, 7689, 12, 2495, 10, 14, 1, 9, 4215