d = {"id": 1, "person": {"name": "Vasya", "age": 18}}
d1 = d.copy()
d1["person"]["age"] += 1
d2 = d
d2["person"]["age"] += 1
print(d["person"]["age"])

d = {}
print(d.get("a", 0) + d.setdefault("a", 10) + d.get("a", 0))

2 ** -2 + - 2 ** 2

a = True
b= False
c = {True, False}
not b and b not in c or not a not in c

2 ^ 1 << 1 | 1 & 1 << 1

keys = ["a", "b", "c", "d"]
values = [1, 2, 3, 4]
dict_ = {key: value for (key, value) in zip(keys, values)}
dict_ = {key:value for (key, value) in dict_.items() if value % 2 == 1}
sum([value for value in dict_.values()], 5)

print(bool("0"), bool([0, None]), bool((None,)))

b, c, a = c, a, b = 1, 2, 3
print(a, b, c)

a, b = 5, 15
print(a == 5 == b / 3 == 4 + 1)

len(str(1 + 1) * int('1' + '1'))