1# basic sets
2
3s = {1}
4print(s)
5
6s = {3, 4, 3, 1}
7print(sorted(s))
8
9# expression in constructor
10s = {1 + len(s)}
11print(s)
12
13# bools mixed with integers
14s = {False, True, 0, 1, 2}
15print(len(s))
16
17# Sets are not hashable
18try:
19    {s: 1}
20except TypeError:
21    print("TypeError")
22