new_contents: from modules.employee import Employee
  
  #继承关系，可以多继承  User(Employee,Parent)
  class User(Employee):
  
    def __init__(self, id, email, username):
      self.id = id
      self.email = email
      self.username = username
  
    #调用本类的方法和调用父类的方法
    def getNames(self):
      print ("子类调用父类方法...",self.getList(),self.shows(),"........")
  
    def getList(self):
      return "getList 方法调用..."
  
    """重写父类shows方法"""
    def shows(self):
        return "children instance method shows"
subject: add user.py