old_contents: from django.shortcuts import render
  
  # Create your views here.
  
new_contents: from django.shortcuts import render
  from .models import Book
  
  
  def home(request):
      book_list = Book.objects.all()
      return render(request, 'home.html', {
          'book_list': book_list,
      })
subject: Add home function into views