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.

['n', '9127', 'k', '9641', 'h', '6137', 's', 'E', 'N', 'D', 's', 'Y', '9669', 'Z', 'c', '3553', '2105', '4519', '1969', '1545', 'f', 'v', '4571', 'S', 'O', 'd', 'r', 'I', 'I', '2105']
14, 9127, 11, 9641, 8, 6137, 19, 5, 14, 4, 19, 25, 9669, 26, 3, 3553, 2105, 4519, 1969, 1545, 6, 22, 4571, 19, 15, 4, 18, 9, 9, 2105

['2789', '7795', 'b', 'I', 'A', '1921', 'K', 'm', 'D', 'J', '8865', '559', 'a', '7693', 'h', 'y', '7171', 'L', 'o', '7377', '9751', '963']
2789, 7795, 2, 9, 1, 1921, 11, 13, 4, 10, 8865, 559, 1, 7693, 8, 25, 7171, 12, 15, 7377, 9751, 963

['8343', 'I', '821', '6739', '5089', 'o', '7967', '1591', '3113']

8343, 9, 821, 6739, 5089, 15, 7967, 1591, 3113