input: Write a python function to create a Book object and retrieve its attributes using the getter methods.
  assert get_book_info("123-456", "Python Programming", "John Doe", "Tech Press") == ("123-456", "Python Programming", "John Doe", "Tech Press")
  assert get_book_info("789-101", "Data Science", "Jane Smith", "Data Press") == ("789-101", "Data Science", "Jane Smith", "Data Press")
  assert get_book_info("112-131", "Machine Learning", "Alan Turing", "ML Press") == ("112-131", "Machine Learning", "Alan Turing", "ML Press")
output: class Book:
      def __init__(self, isbn, title, author, publisher):
          self.isbn = isbn
          self.title = title
          self.author = author
          self.publisher = publisher
  
      def get_isbn(self):
          return self.isbn
  
      def get_title(self):
          return self.title
  
      def get_author(self):
          return self.author
  
      def get_publisher(self):
          return self.publisher
  
  def get_book_info(isbn, title, author, publisher):
      book = Book(isbn, title, author, publisher)
      return (book.get_isbn(), book.get_title(), book.get_author(), book.get_publisher())