Class python31

# class Teacher:

#     def __init__(self, name, age, sex, salary, level):

#         self.name = name

#         self.age = age

#         self.sex = sex

#

#         self.salary = salary

#         self.level = level

#

#         self.courses=[]

#     def walk(self):

#         print('%s is walking' % self.name)

#

#     def teach(self):

#         print('%s is teaching' % self.name)

#

#     def tell_info(self):

#         print('''

#         ----------%s info---------

#         NAME:%s

#         AGE:%s

#         SEX:%s

#         SAL:%s

#         LEVEL:%s

#         ''' %(self.name,self.name,self.age,self.sex,self.salary,self.level))

#     def tell_course(self): #self=egon

#         #self.courses=[]

#         # if 'courses' in self.__dict__: #'course' in egon.__dict__

#             for obj in self.courses:

#                 obj.tell_course()

#

# class Date:

#     def __init__(self, name,year, mon, day):

#         self.name=name

#         self.year = year

#         self.mon = mon

#         self.day = day

#     def tell_birth(self):

#         print('%s:%s-%s-%s' %(self.name,self.year,self.mon,self.day))

#

# alex = Teacher('alex', 84, 'female', 300000, -1)

#

# Birth = Date(alex.name,1900, 13, 43)

#

# alex.birth = Birth  # 组合：alex有生日

#

# 组合的应用

# alex.tell_info()

# alex.walk()

# print(alex.birth)

#alex.birth.tell_birth()

#

#

#

# class Student:

#     def __init__(self, name, age, sex, group):

#         self.name = name

#         self.age = age

#         self.sex = sex

#

#         self.group=group

#

#         self.courses = []

#

#     def walk(self):

#         print('%s is walking' % self.name)

#

#     def study(self):

#         print('%s is study' % self.name)

#

#     def tell_info(self):

#         print('''

#         ----------%s info---------

#         NAME:%s

#         AGE:%s

#         SEX:%s

#         group:%s

#         ''' %(self.name,self.name,self.age,self.sex,self.group))

# xiaohuang=Student('xh',73,'male','group8')

#

# Birth=Date(xiaohuang.name,1899,2,29)

#

# xiaohuang.birth=Birth

#组合应用

# xiaohuang.tell_info()

# xiaohuang.birth.tell_birth()

#

# class Course:

#     def __init__(self,name,price,period):

#         self.name=name

#         self.price=price

#         self.period=period

#

#     def tell_course(self):

#         print('''

#         ------------%s info----------

#         course name:%s

#         course price:%s

#         course period:%s

#         ''' %(self.name,self.name,self.price,self.period))

# alex = Teacher('alex', 84, 'female', 300000, -1)

# xiaohuang=Student('xh',73,'male','group8')

# python=Course('Python',15800,'6mons')

# linux=Course('Linux',1000,'3mons')

# go=Course('Go',1000,'4mons')

#

# alex.courses=[]

# alex.courses.append(python)

# alex.courses.append(go)

#

#

# xiaohuang.courses=[]

# xiaohuang.courses.append(python)

#

#

#老师

# print(alex.courses)

# alex.courses[0].tell_course()

# alex.courses[1].tell_course()

# for obj in alex.courses:

#     obj.tell_course()

#

# # alex.tell_course()

# egon = Teacher('egon', 18, 'male', 300000, 10)

# # egon.courses=[]

# egon.courses.append(linux)

# egon.courses.append(python)

# egon.tell_course()

#学习

# print(xiaohuang.courses)

#改进

class Date:

    def __init__(self, name,year, mon, day):

        self.name=name

        self.year = year

        self.mon = mon

        self.day = day

    def tell_birth(self):

        print('%s:%s-%s-%s' %(self.name,self.year,self.mon,self.day))

class Course:

    def __init__(self,name,price,period):

        self.name=name

        self.price=price

        self.period=period

    def tell_course(self):

        print('''

        ------------%s info----------

        course name:%s

        course price:%s

        course period:%s

        ''' %(self.name,self.name,self.price,self.period))

class People:

    def __init__(self, name, age, sex):

        self.name = name

        self.age = age

        self.sex = sex

        self.courses = []

    def walk(self):

        print('%s is walking' % self.name)

    def tell_course(self): #self=egon

        for obj in self.courses:

            obj.tell_course()

class Teacher(People):

    def __init__(self, name, age, sex, salary, level):

        People.__init__(self,name,age,sex)

        self.salary = salary

        self.level = level

    def teach(self):

        print('%s is teaching' % self.name)

    def tell_info(self):

        print('''

        ----------%s info---------

        NAME:%s

        AGE:%s

        SEX:%s

        SAL:%s

        LEVEL:%s

        ''' %(self.name,self.name,self.age,self.sex,self.salary,self.level))

class Student(People):

    def __init__(self, name, age, sex, group):

        People.__init__(self,name,age,sex)

        self.group=group

    def study(self):

        print('%s is study' % self.name)

    def tell_info(self):

        print('''

        ----------%s info---------

        NAME:%s

        AGE:%s

        SEX:%s

        group:%s

        ''' %(self.name,self.name,self.age,self.sex,self.group))

alex = Teacher('alex', 84, 'female', 300000, -1)

xiaohuang=Student('xh',73,'male','group8')

python=Course('Python',15800,'6mons')

linux=Course('Linux',1000,'3mons')

go=Course('Go',1000,'4mons')

alex.courses=[]

alex.courses.append(python)

alex.courses.append(go)

xiaohuang.courses=[]

xiaohuang.courses.append(python)

#老师

# print(alex.courses)

# alex.courses[0].tell_course()

# alex.courses[1].tell_course()

# for obj in alex.courses:

#     obj.tell_course()

# alex.tell_course()

# egon = Teacher('egon', 18, 'male', 300000, 10)

# egon.courses=[]

# egon.courses.append(linux)

# egon.courses.append(python)

# egon.tell_course()

#学习

# print(xiaohuang.courses)

#序列化

# class Student:

#     def __init__(self, name, age, sex, group):

#         self.name=name

#         self.age=age

#         self.sex=sex

#         self.group=group

#

#     def study(self):

#         print('%s is study' % self.name)

#

#

#     def tell_info(self):

#         print('''

#         ----------%s info---------

#         NAME:%s

#         AGE:%s

#         SEX:%s

#         group:%s

#         ''' %(self.name,self.name,self.age,self.sex,self.group))

# import time

# time.sleep(10000)

# username=input('user: ')

# age=int(input('age: '))

# sex=input('sex: ')

# group=input('group: ')

# xiaohuang=Student(username,age,sex,group)

# xiaohuang.tell_info()

# xiaohuang=Student('xh',18,'male','group1')

import pickle

# res=pickle.dumps(xiaohuang)

# print(res)

#

# with open('studentdb.pkl','wb') as f:

#     f.write(res)

#

# with open('studentdb.pkl','rb') as f:

#     res=f.read()

#     obj=pickle.loads(res)

#     print(obj)

#     obj.tell_info()

#简洁的写法

import pickle

# xiaohuang=Student('xh',18,'male','group1')

# with open('studentdb.pkl','wb') as f:

#     pickle.dump(xiaohuang,f)

# with open('studentdb.pkl','rb') as f:

#     obj=pickle.load(f)

#     obj.tell_info()

morgana

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