Product & Book Classes Programming the Product class USING the Product class Method to create an object of type Product if it has private attributes description, quantity, price from modProduct import * Assume that an object of type Product has already been created: myProduct = Product("Book",10,5.50) Write Python statements to: Method to retrieve the private member for the price: 1. PRINT the description Method to change the private member for the quantity: 2. CHANGE the price to 20.59 Method to convert an object of type Product to a string with labels and values. 3. PRINT the total spent Method to calculate the total spent on each product.
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- class first { public: void setX(); void print() const; protected: int y; void setY(int a); private: int x; }; Suppose that class second is derived from class first using the statement: class second: private first which members of class first are private, protected, and public in class second?8.9 LAB: Car value (classes) Complete the Car class by creating an attribute purchase_price (type int) and the method print_info() that outputs the car's information. Ex: If the input is: 2011 18000 2018 where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, then print_info() outputs: Car's information: Model year: 2011 Purchase price: 18000 Current value: 5770 Note: print_info() should use three spaces for indentation. In Python Programmingc++ Create a class Circle having member variables Radius of type float. Make default and parametrized constructors in addition with setter methods of member variables. Make a function getArea() to return the Area of a Circle object. Overload the ‘+’ operator to add two objects of class Circle. In main(), create two objects of the class and assign them values by using setter methods. Make another object and initialize it with the sum of other two objects. Finally, display their Area
- Write a class Employee with data members Name, Id, and Salary. Derive two classes, Faculty with data members Department, and role(permanent or visiting) and derived class Management with data members Department and rank (manager, deputymanager, etc.). Create getters,settersfor all thedata members, create constructors,destructors and show functions for all the classes.Create a write function to write employees on a file . In main function create two objects of each derived class using parameterized constructors, call the show function to show all four objects, write all four objects to a file. Your submission should include the output file.TOPIC: Inheritance In Python, modify the given code based on the given specifications below. Create another class, “Food.” For the Food class, the specifications are: The object will have the following attributes on initialization: weight (weight of the food in kg) energy_add (amount of energy it will add once consumed) happiness_add (amount of happiness it will add once consumed) Modify the Child and the Friends classes such that: Instead of accepting a string (as food) in the eat method, the method should accept a Foodobject Once a Child/Friendsobject eats a Food object: The added weight should be the Food object’s weight The added energy should be the Food object’s energy_add The added happiness should be the Food object’s happiness_add The given code (can also be found on the picture): class Child: def __init__(self, child_number: int, name: str, weight: float): self.child_number = child_number self.name = name self.weight = weight def…TOPIC: Inheritance In Python, modify the given code based on the given specifications below. Create another class, “Food.” For the Food class, the specifications are: The object will have the following attributes on initialization: weight (weight of the food in kg) energy_add (amount of energy it will add once consumed) happiness_add (amount of happiness it will add once consumed) Modify the Child and the Friends classes such that: Instead of accepting a string (as food) in the eat method, the method should accept a Foodobject Once a Child/Friendsobject eats a Food object: The added weight should be the Food object’s weight The added energy should be the Food object’s energy_add The added happiness should be the Food object’s happiness_add After modifying the Child and Friends behavior, simulate a small group of Friends. In the main code, do the following: Accept a positive integer from the user that determines the number of friends and create a number of Friends specified…
- Need help using python. Create a Employee class with four instance attributes: emp_number as an int, name as a string, department as a string and yearly_salary as an int. The class should include an __init__() method to initialize an Employee object and a __str__() method to describe an initialized Employee object. The class should include two instance methods: one called update_department(), which takes a string as an argument and updates the employee's department attribute; and one called update_salary(), which takes an int as an argument and updates the employee's salary attribute. After the Employee class code, prompt the user to enter the emp_number, name, department and salary. Instantiate an Employee object by passing in the user's input as the arguments and print out the Employee's attributes by calling the __str__() method. No prompting for input should be included in the Employee class. Test the update_department() and update_salary() methods by calling both methods and…Instructions-Java Assignment is to define a class named Address. The Address class will have three private instance variables: an int named street_number a String named street_name and a String named state. Write three constructors for the Address class: an empty constructor (no input parameters) that initializes the three instance variables with default values of your choice, a constructor that takes the street values as input but defaults the state to "Arizona", and a constructor that takes all three pieces of information as input Next create a driver class named Main.java. Put public static void main here and test out your class by creating three instances of Address, one using each of the constructors. You can choose the particular address values that are used. I recommend you make them up and do not use actual addresses. Run your code to make sure it works. Next add the following public methods to the Address class and test them from main as you go: Write getters and…2. Insert a function that prints a greeting, and execute it on the p1 object class Person: def __init__(self, name, age): self.name = name self.age = age ________________ ____________________________________
- 1. Create a class called ADDITION has one integer and one float data member. Use pointer to data member to find their sum and print it from main method and also use the concept of dynamic constructor. 2. Create a class: Doctor, with private data members: id, name, specialization and salary with public member function: get_data () to take input for all data members, show_data () to display the values of all data members and get_specialization () to return specialization. Write a program to write 10 records of doctors and allocating the memory at run time only. 3. Write a program to create a base class: “Question3”, with protected data member: x (int) and with pure virtual function: “Task ()” [Returns no value and takes no argument]. Create a derived class of “Question3” such as “Sub1” (Derive features in public mode). In sub1, there is a member function in public section: get_data1 () to take input for x, and define Task () in this class to display the factorial of x. [Implement the…c++ Friend function concepts Do not use operator overloading Create a class Circle with member variable radius R of type float. Create a constructor for assigning value to R and a method "int compare(Circle c)" for comparing the radii. In main method, create two objects of Circle and compare their radii and display which one is biggerUsing classes, design an online address book to keep track of the names, addresses, phone numbers, and dates of birth of family members, close friends, and certain business associates. Your program should be able to handle a maximum of 500 entries. Define a class addressType that can store a street address, city, state, and ZIP code. Use the appropriate functions to print and store the address. Also, use constructors to automatically initialize the member variables. Define a class extPersonType using the class personType (as defined in Example 10-10, Chapter 10), the class dateType (as designed in this chapters Programming Exercise 2), and the class addressType. Add a member variable to this class to classify the person as a family member, friend, or business associate. Also, add a member variable to store the phone number. Add (or override) the functions to print and store the appropriate information. Use constructors to automatically initialize the member variables. Define the class addressBookType using the previously defined classes. An object of the type addressBookType should be able to process a maximum of 500 entries. The program should perform the following operations: Load the data into the address book from a disk. Sort the address book by last name. Search for a person by last name. Print the address, phone number, and date of birth (if it exists) of a given person. Print the names of the people whose birthdays are in a given month. Print the names of all the people between two last names. Depending on the users request, print the names of all family members, friends, or business associates.