class Jedi:
    def __init__(self, name='evil'):
        self.jedi_name=name

    def say_hi(self):
        print("hi my name is", self.jedi_name)

#j1 = Jedi('robot')
#j1.say_hi()

#j2 = Jedi('cats')
#j2.say_hi()

#j3 = Jedi()
#j3.say_hi()