一.__new__()方法
官方文档:
object.
__new__
(cls[, ...])Called to create a new instance of class cls.
__new__()
is a static method (special-cased so you need not declare it as such) that takes the class of which an instance was requested as its first argument. The remaining arguments are those passed to the object constructor expression (the call to the class). The return value of__new__()
should be the new object instance (usually an instance of cls).Typical implementations create a new instance of the class by invoking the superclass’s