int_num = 10

float_num = 10.1

bool_True = True

bool_False = False

print(bool_False == 0, bool_True == 1)

zero_num = 0

None_type = None

empty_str = ""

empty_list = []

empty_tuple = ()

empty_dict = {}

empty_set = set()

print(bool(zero_num))

print(bool(None_type))

print(bool(empty_str))

print(bool(empty_list))

print(bool(empty_tuple))

print(bool(empty_dict))

print(bool(empty_set))

None_type = None

print(type(None_type))

print(10.0 / 2)

print(10 / 2)

print(10.0 // 3)

print(10 // 3)

ten_num = 9

two_num = "0b1"

print(type(ten_num), type(two_num))

ten_num = 9

two_num = "0b1"

eight_num = "0o7"

sixteen_num = "0xF"

print(ten_num, two_num, eight_num, sixteen_num)

# 10 进制转其他进制

print(bin(ten_num), oct(ten_num), hex(ten_num))

# 其他进制转10进制

print(int(two_num, base=2), int(eight_num, base=8), int(sixteen_num, base=16))