class class1():
    def start_something(self):
        a=1+1
        var=class1()
        class1.do_something(a)

class class2:
    def do_something(self,a):
        b=a+1
        self.make_something(b)

    def make_something(self,b):
        print(b)


if __name__ == "__main__":
    start=class1()
    start.start_somthing()