子类重用父类的功能

# class Foo:
#     def f1(self):
#         print('Foo.f1')
#     def f2(self):
#         print('Foo.f2')
#         self.f1()
#
# class Bar(Foo):
#     def f1(self):
#         print('Bar.f1')
#
# obj=Bar()
# obj.f2()
# '''
# Foo.f2
# Bar.f1
# '''
# class OldboyPeople:
#     school = 'oldboy'
#     def __init__(self,name,age,gender):
#         self.Name=name
#         self.Age = age
#         self.Gender=gender
#     def tell_info(self):
#         print('<名字:<%s> 年龄:<%s> 性别:<%s>' %(self.Name,self.Age,self.Gender))
#
# class OldStudent(OldboyPeople):
#     def learn(self):
#         print('%s is learning'%self.name)
#     def tell_info(self):
#         print('我是学生:',end='')
#         # self.tell_info()
#         OldboyPeople.tell_info(self)
#
# stu1=OldStudent('婉婷',18,'female')
# # teach1=OldTeacher('egon',28,'male')
# stu1.tell_info()
'''
我是学生:<名字:<婉婷> 年龄:<18> 性别:<female>
'''
# class OldboyPeople:
#     school = 'oldboy'
#     def __init__(self,name,age,gender):
#         self.name=name
#         self.age=age
#         self.gender=gender
#     def tell_info(self):
#         print('<名字:<%s> 年龄:<%s> 性别:<%s>' %(self.name,self.age,self.gender))
#
# class OldStudent(OldboyPeople):
#     def __init__(self,name,age,gender,course,stu_id):
#         self.name=name
#         self.age=age
#         self.gender=gender
#         self.course=course
#         self.stu_id=stu_id
#     def learn(self):
#         print('%s is learning'%self.name)
#     def tell_info(self):
#         print('我是学生:',end='')
#         OldboyPeople.tell_info(self)
#
# stu1=OldStudent('婉婷',18,'female','python',1)
# stu1.tell_info()
'''
我是学生:<名字:<婉婷> 年龄:<18> 性别:<female>
'''
# class OldboyPeople:
#     school = 'oldboy'
#     def __init__(self,name,age,gender):
#         self.name=name
#         self.age=age
#         self.gender=gender
#     def tell_info(self):
#         print('<名字:<%s> 年龄:<%s> 性别:<%s>' %(self.name,self.age,self.gender))
#
# class OldStudent(OldboyPeople):
#     def __init__(self,name,age,gender,course,stu_id):
#         OldboyPeople.__init__(self,name,age,gender)
#         self.course=course
#         self.stu_id=stu_id
#     def learn(self):
#         print('%s is learning'%self.name)
#     def tell_info(self):
#         print('我是学生:',end='')
#         OldboyPeople.tell_info(self)
#
# stu1=OldStudent('婉婷',18,'female','python',1)
# stu1.tell_info()
'''
我是学生:<名字:<婉婷> 年龄:<18> 性别:<female>
'''