python类的继承

例子

#!/usr/bin/env python

import time

CheckInList = []
student_id_list = {1:‘JC‘}

class school:
        school_name = "Oldboy Linux training center"
        address = "shahe Changping Distric,Beijing China."
        phone = ‘010-842452435‘
        teachers = [‘Alex‘,‘Oldboy‘]

        def registration(self,s_name):
                        latest_id = max(student_id_list.keys())
                        s_id = latest_id + 1
                        student_id_list[s_id] = [s_name]

class student(school):
        def __init__(self,name):
                self.name = name

        def CheckIn(self,c):
                if c <= 930:
                        print ‘\033[42;1m%s\033[0m checked in...‘ % self.name
                        time.sleep(1)
                        return self.name
                else:
                        print ‘\033[42;1m%s is late...\033[0m‘ % self.name

        def PayTuition(self):
                print ‘%s paied tuition,the student id will be created soon‘ % self.name

s1 = student(‘JACK‘)
s2 = student(‘TOM‘)
s3 = student(‘ANN‘)
c_time = 929

print "start to check in :::"
for s in s1,s2,s3:
        checkIn = s.CheckIn(c_time)
        if checkIn is not None:
                CheckInList.append(checkIn)
                c_time += 1
        s.registration(s.name)
print s1.school_name
print s1.address
print s1.phone
print student_id_list
print "NOw it‘s 8:30..."

print CheckInList

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