class A:
    x = 1
    
class B(A):
    pass

class C(A):
    pass

A.x = 2
B.x = 3

print(B.x, C.x)

print(1 and 2 and 3)

from typing import Final
x: Final = 'hi'
x = 'hello'
print(x)

a = None
print(a is None is True)

a = None
b = None
a is b is None

a = {0, 1, 2}
print(a[1])

a = (100, 2)
b = (1, 103)
print(a > b)

def f(p, q):
    return p + q

x = list(map(f, ('a', 'b', 'c'), ('x', 'y', 'z')))
print(x[1])

x = {1: "A", 3: "B"}
y = {2: "C", 3: "D", 4: "E"}
d = {**x, **y}
vals = sorted(d.values())
print(*vals)

def outer():
    x = "local"
    def inner():
        nonlocal x
        x = "nonlocal"
        print(x, end=" ")
    inner()
    print(x)
outer()