Python plus plus

main.py

from pypp import Str, Int, Float, cout, cin, endl
if __name__ == "__main__":
    str1, str2, int1, float1 = Str(), Str(), Int(), Float()
    cout << "Hello, " << "world!" << endl
    cin >> str1 >> str2 >> int1 >> float1
    cout << str1 << endl << str2 << endl << (int1 + Int(1)) << endl << float1 << endl

pypp.py

class Str:
    value = None
    def __init__(self, value: type = None) -> None:
        self.value = value
    def __str__(self) -> str:
        return self.value
    def __add__(self, other) -> str:
        return Str(self.value + other.value)
class Int:
    type = int
    def __init__(self, value: type = None) -> None:
        self.value = value
    def __str__(self) -> int:
        return self.value
    def __add__(self, other) -> int:
        return Int(self.value + other.value)
    def __sub__(self, other) -> int:
        return Int(self.value - other.value)
    def __mul__(self, other) -> int:
        return Int(self.value * other.value)
    def __truediv__(self, other) -> int:
        return Int(self.value / other.value)
    def __floordiv__(self, other) -> int:
        return Int(self.value // other.value)
    def __mod__(self, other) -> int:
        return Int(self.value % other.value)
    def __pow__(self, other) -> int:
        return Int(self.value ** other.value)
class Float:
    type = float
    def __init__(self, value: type = None) -> None:
        self.value = value
    def __str__(self) -> float:
        return self.value
    def __add__(self, other) -> float:
        return Float(self.value + other.value)
    def __sub__(self, other) -> float:
        return Float(self.value - other.value)
    def __mul__(self, other) -> float:
        return Float(self.value * other.value)
    def __truediv__(self, other) -> float:
        return Float(self.value / other.value)
    def __floordiv__(self, other) -> float:
        return Float(self.value // other.value)
    def __mod__(self, other) -> float:
        return Float(self.value % other.value)
    def __pow__(self, other) -> float:
        return Float(self.value ** other.value)
class __Print:
    def __lshift__(self, other: Str):
        print(other, end="")
        return self
class __Input:
    def __rshift__(self, other: Str):
        other.value = other.type(input())
        return self
cout = __Print()
cin = __Input()
endl = "\n"