old_contents: from django.shortcuts import render
  from django.http import HttpResponse
  
  
  def students_list(request):
      students = (
          {'id': 1,
           'first_name': 'Віталій',
           'last_name': 'Подоба',
           'ticket': 235,
           'image': 'img/image1.jpg'},
          {'id': 2,
           'first_name': 'Андрій',
           'last_name': 'Корост',
           'ticket': 2435,
           'image': 'img/image2.jpg'},
           {'id': 3,
           'first_name': 'Іван',
           'last_name': 'Драган',
           'ticket': 7235,
           'image': 'img/image3.jpg'},
      )
      return render(request, 'students/students_list.html',
          {'students': students})
  
  def students_add(request):
      return HttpResponse('<h1>Students Add Form</h1>')
  
  def students_edit(request, sid):
      return HttpResponse('<h1>Edit Student %s</h1>' % sid)
  
  def students_delete(request, sid):
      return HttpResponse('<h1>Delete Student %s</h1>' % sid)
new_contents: from django.shortcuts import render
  from django.http import HttpResponse
  
  from ..models import Student
  
  
  def students_list(request):
      students = Student.objects.all()
      return render(request, 'students/students_list.html',
          {'students': students})
  
  def students_add(request):
      return HttpResponse('<h1>Students Add Form</h1>')
  
  def students_edit(request, sid):
      return HttpResponse('<h1>Edit Student %s</h1>' % sid)
  
  def students_delete(request, sid):
      return HttpResponse('<h1>Delete Student %s</h1>' % sid)
subject: add ability to load students from DB