1try:
2    frozenset
3except NameError:
4    print("SKIP")
5    raise SystemExit
6
7s = frozenset({1, 2, 3, 4})
8try:
9    print(s.add(5))
10except AttributeError:
11    print("AttributeError")
12
13try:
14    print(s.update([5]))
15except AttributeError:
16    print("AttributeError")
17