Part $1$: Create a Class$($~$6$ points$)$

Create a class called Book with the following instance variables:

title $($string$)$author $($string$)$price $($float$)$

Add a constructor to initialize these variables.Write a method display$\_$details that prints all the details of the book in a neat format.

Part $2$: Access Control$($~$6$ points$)$

Add a private variable $\_\_$discount $($float$)$ in the Book class with a default value of $0\mathrm{.}1.$Write a public method get$\_$discount that returns the value of $\_\_$discount.Write another method set$\_$discount to update the discount value $($with input validation ensuring it is between $0$ and $0\mathrm{.}5).$

Part $3$: Object Instantiation$($~$6$ points$)$

Create three objects of the Book class using different values.Call display$\_$details for each object.Access and modify the discount using the getter and setter methods.

$($Optional Bonus$)$Part $4$: Add Another Class

Create a class Library to manage a collection of books.Add a method add$\_$book that takes a Book object and stores it in a list.Add a method list$\_$books to display all books in the library.

Deliverables:

A Python script file containing the Book and Library classes and the code to test them.