def f():
    return "foo"


s = f()
print(s)


print("\n\n")


def f():
    return dict(foo=1, bar=2, baz=3)


print(f())
print(f()["baz"])


print("\n\n")


def f():
    return "foobar"


print(f()[2:4])


def f():
    return ["foo", "bar", "baz", "qux"]


print(f())

print(f()[2])

print(f()[::-1])


print("\n\n")


def f():
    return "foo", "bar", "baz", "qux"


print(type(f()))

t = f()
print(t)

a, b, c, d = f()
print(f"a = {a}, b = {b}, c = {c}, d = {d}")