请写出打印结果和存在的问题

[laozijiaojiangnan]

class APP:
    _instance = None

    def __new__(cls, *args, **kwargs):
        print("new")
        if cls._instance is None:
            print("Create")
            cls._instance = super().__new__(cls, *args, **kwargs)
        return cls._instance

    def __init__(self):
        print("init")
        self.prop = None

app = APP()
app2 = APP()