class Stafff(Person):
def _init_(self,name,title):
self.title=title
def show_name(self):
print('{0} {1}'.format(self.title,
self.name))
def change_title(self,title):
self.title=title
Traceback (most recent call last): File "D:/Python/def例题.py", line 1, in <module> from person import person ImportError: No module named 'person'