class Player:
    def __init__(self, name):
        self.name = name
        
    def __hash__(self):
        return hash(self.name)
        
    def __eq__(self, other):
        return self.name == other.name

p1 = Player("loneymist")
p2 = Player("loneymist")

games = {p1: "CS 1.6"}
games[p2] = "Beat Saber"

print(len(games), games[p1])

funcs = []
for i in range(3):
    funcs.append(lambda x=i: x)

print([f() for f in funcs])

music = ["ATEEZ", "21 pilots"]
music[1:1] = music
print(len(music), music[1])

class A:
    x = 1
    lst = [x for _ in range(3)]

print(A.lst)

lst = [1, 2, 3, 4]
for i in lst:
    lst.remove(i)
    
print(lst)

class A:
    def ping(self): print("A", end=" ")
class B(A):
    def ping(self): print("B", end=" "); super().ping()
class C(A):
    def ping(self): print("C", end=" "); super().ping()
class D(B, C):
    def ping(self): print("D", end=" "); super().ping()

D().ping()

print(issubclass(type, object), issubclass(object, type))

a = {1, 2, 3}
b = {3, 4, 5}
print(a + b)

print(isinstance(True, int))

x = float('inf')
print(x + 1 == x, x - x)

d = dict.fromkeys(["a", "b"], [])
d["a"].append(1)
print(d["b"])

val = 10

def update():
    global val
    val = 20
    del val

update()

try:
    print(val)
except NameError:
    print("NameError")

print(True << 2, False >> 1)

try:
    raise SystemExit()
except Exception:
    print("A")
except BaseException:
    print("B")

x = 1

def calc():
    print(x)
    x = 2

calc()

class MockObject:
    def __new__(cls):
        return 42
        
    def __init__(self):
        print("Init")

obj = MockObject()
print(obj)

try:
    raise KeyError()
except KeyError:
    print("K", end="")
else:
    print("E", end="")
finally:
    print("F", end="")

class Counter:
    count = 0
    
    def __init__(self):
        self.count += 1

c = Counter()
print(Counter.count, c.count)

for i in range(3):
    pass

print(i)

print(sum(["a", "b", "c"], ""))