1.Provide suport for class method/static method/instance method by using self and cls keywords
Define class method by the first argument cls, cancel the @classmethod, like : def classInfo(cls):pass
Define instance method by the first argument self, like : def save(self):pass
Define static method by none special argument, cancel the @staticmethod, like : def getInstance():pass
2.Cancel property statement, use a new keyword ppt to define properties, like :
ppt Name():
def get():
pass
def set(value):
pass
def del():
pass
3.Use a new keyword base to replace the function super().
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