assigning class variable as default value to class method argument

Question

I would like to build a method inside a class with default values arguments taken from this class. In general I do filtering on some data. Inside my class I have a method wh

Answer 1

This will insert self.z if a is None/False/empty_value:

def doSomething(self, a=None):
        self.z = 3
        self.b = (a or self.z)