inherit.py

python简明教程源代码

# -*- coding: cp936 -*-
# Filename: inherit.py

class SchoolMember:
    '''Represents any school member.'''
    def __init__(self, name, age):
        self.name = name
        self.age = age
        print '(Initialized SchoolMember: %s)' % self.name

    def tell(self):
        '''Tell my details.'''
        print 'Name:"%s" Age:"%s"' % (self.name, self.age)

class Teacher(SchoolMember):
    '''Represents a teacher.'''
    def __init__(self, name, age, salary):
        SchoolMember.__init__(self, name, age)
        self.salary = salary
        print '(Initialized Teacher: %s)' % self.name

    def tell(self):
        SchoolMember.tell(self)
        print 'Salary: "%d"' % self.salary

class Student(SchoolMember):
    '''Represents a student.'''
    def __init__(self, name, age, marks):
        SchoolMember.__init__(self, name, age)
        self.marks = marks
        print '(Initialized Students: %s)' % self.name

    def tell(self):
        SchoolMember.tell(self)
        print 'Marks: "%d"' % self.marks

t = Teacher('Mrs.Shrividya',40,30000)
s = Student('Swaroop', 22, 75)

print # prints a blank line

members = [t,s]
for member in members:
    member.tell() # works for both Teachers and Students