class base_class: def __init__ (self,name): self.name=name def selam_ver(self): pass class ingiliz(base_class): def __init__ (self,name): self.name=name def selam_ver(self): print "ingiliz",self.name, "selam verdin" class fransiz(base_class): def __init__ (self,name): self.name=name def selam_ver(self): print "fransiz",self.name, "selam verdin" class alman(base_class): def __init__ (self,name): self.name=name def selam_ver(self): print "alman",self.name, "selam verdin" class turk(base_class): def __init__ (self,name): self.name=name def selam_ver(self): print "turk",self.name, "selam verdin" class test: def test_et(self,base_class): base_class.selam_ver() tst=test() ing=ingiliz("2.elizabeth") fran=fransiz("francois") al=alman("merkel") tur=turk("erdogan") tst.test_et(ing) tst.test_et(fran) tst.test_et(al) tst.test_et(tur)