Python_OOP_Inheritance.py

class Employee:                     
    def __init__(self,name,age,exp,salary):                          ## Defining The Constructor With Common data
        ## Instance Attributes                                       ## instance attributes that are only accessable by the object of the class
        self.name = name                                              
        self.age = age
        self.exp = exp
        self.salary = salary

    def show(self):                                                   ## A Simple method that prints the data 
        print(self.name,self.age,self.exp,self.salary)                ## Printing all the variables


class Engineers(Employee):                                            ## Parent class Employee inherit by child Enginners

    def __init__(self,name,age,exp,salary,level):                     ## Constructor of Enginners class(child)
        super().__init__(name,age,exp,salary)                         ## accessing the parent class constructor and instance attributes with the help of super method
        self.level = level                                            ## Assigning a new attribute level for the Enginner class


    def print_data(self):                                             ## Creating a New Method for the Enginner class that is only accessable by the object of Enginner class
        print(self.level)                                             ## Printing the level of the Enginner



class Designers(Employee):                                           ## Parent class Employee inherit by child Designers

        def __init__(self,name,age,exp,salary,position):               
            super().__init__(name,age,exp,salary)                    
            self.position = position                                 ## Extending the attributes of parent class by adding a new attribute position
        
        def show(self):                                              ## A Simple Method Belong to the Designer Class that is used to print the data
            super().show()                                           ## Accessing parent class method and extending it to print the position also
            print(self.position)                                     ## Printing the position of the Designer


obj_E = Engineers("Alex",35,10,50000,'JR Developer')                ## Creating an object for the Enginners class, Need to paas arguments because It is a inherit class

obj_E.show()                                                        ## accessing parent method show with the help of the child class object
obj_E.print_data()                                                  ## accessing child class method debug, that is only access by the Designers object

obj_D = Designers("Karl",45,20,55000,"UI Designer")                 
obj_D.show()                                                        ## printing all the data 

'''
obj_E.debug()                                                       ## AttributeError: 'Engineers' object has no attribute 'debug'  ,debug is not a member of the Enginners class
Employee('Garry',35,10,50000).show()                                ## Garry 35 10 50000   ,because a class can access class attributes without the need of an object
obj = Employee('Garry',35,10,50000)
obj.debug()                                                         ## AttributeError: 'Employee' object has no attribute 'debug' , A parent can not access a child class

'''