python 继承的一个实例代码

我不是女神ヾ 2021-12-09 04:41 275阅读 0赞

# coding=UTF-8
    
    class SchoolMember:
        '''代表任何学校里的成员。'''
        def __init__(self, name, age):
            self.name = name
            self.age = age
            print('(Initialized SchoolMember: {})'.format(self.name))
    
        def tell(self):
            '''告诉我有关我的细节。'''
            print('Name:"{}" Age:"{}"'.format(self.name,self.age),end=' ')
    
    class Teacher(SchoolMember):
        '''代表一位老师。'''
        def __init__(self, name, age, salary):
            SchoolMember.__init__(self, name, age)
            self.salary = salary
            print('(Initialized Teacher: {})'.format(self.name))
    
        def tell(self):
            SchoolMember.tell(self)
            print('Salary: "{:d}"'.format(self.salary))
    
    class Student(SchoolMember):
        '''代表一位学生。'''
        def __init__(self, name, age, marks):
            SchoolMember.__init__(self, name, age)
            self.marks = marks
            print('(Initialized Student: {})'.format(self.name))
    
        def tell(self):
            SchoolMember.tell(self)
            print('Marks: "{:d}"'.format(self.marks))
    
    t = Teacher('Mrs. Shrividya', 40, 30000)
    s = Student('Swaroop', 25, 75)
    
    # result:
    # (Initialized SchoolMember: Mrs. Shrividya)
    # (Initialized Teacher: Mrs. Shrividya)
    # (Initialized SchoolMember: Swaroop)
    # (Initialized Student: Swaroop)
    #
    # Name:"Mrs. Shrividya" Age:"40" Salary: "30000"
    # Name:"Swaroop" Age:"25" Marks: "75"
    
    # 打印一行空白行
    print()
    
    members = [t, s]
    for member in members:
        # 对全体师生工作
        member.tell()

### 输出 ###

(Initialized SchoolMember: Mrs. Shrividya)
    (Initialized Teacher: Mrs. Shrividya)
    (Initialized SchoolMember: Swaroop)
    (Initialized Student: Swaroop)
    
    Name:"Mrs. Shrividya" Age:"40" Salary: "30000"
    Name:"Swaroop" Age:"25" Marks: "75"