python - inheritance, necessity of __init__ -


the link below nice, gives example if inheritance without having not-so-nice looking foo.__init_(...) foo soon-to-be subclass of class bang: class foo(bang):...

https://docs.python.org/3.3/tutorial/classes.html#private-variables

question: if want create new variables inside class, self._biz? must create __init__ method?

yes, if want create instance variables, should override __init__ (and sure call parent class's implementation, too).


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