[PYTHON] How to use import

import math
#AI for the opposite
class Oppai:
    #processing
    pass

#Grab motion AI
class Hentai:
    #processing
    pass

import hent_ai
from hent_ai import Hentai #Hentai()Can be instantiated with
import opposite_ai as oppai #opposite at oppai_You can use ai.
import opposite_ai.math #oppai.You don't have to write math.
try:
    setai=__import__("set_ai")#Advanced Setting. With or without

except Exception as e:
    print(e)

class classproperty(property):
    pass

class PropertyMeta(type):

    def __new__(cls, name, bases, namespace):
        props = [(k, v) for k, v in namespace.items() if type(v) == classproperty]
        for k, v in props:
            setattr(cls, k, v)
            del namespace[k]
        return type.__new__(cls, name, bases, namespace)

class StartUp(metaclass=PropertyMeta):
    __this = None

    def __init__(self):
        self.hentai = Hentai()
        self.oppai = oppai.Oppai()
        pass
    
    @classproperty
    def value(cls):
        if cls.__this is not None:
            return cls.__this
        cls.__this = StartUp()
        return cls.__this

    @classmethod
    def main(cls):
        cls.value
        print("Hello World")
        cls.__this.input = input("Enter something")
        return

if __name__ == "__main__":
    StartUp.main()

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