Помогите отсортировать по возрастанию значения разности множеств. Help sort the values of the difference of the sets in ascendin

Question

https://code.sololearn.com/cwH3bIo8acHY/?ref=app

Answer 1

x = set(list(input()))
y = set(list(input()))
z = x - y
or
x.difference(y)

Problem

"word".split() != ["w", "o", "r", "d"]

Answer

list("word") = ["w", "o", "r", "d"]