text: def simple(request):
      return {
          'simple': {
              'boolean': True,
              'list': [1, 2, 3],
          }
      }
  
  
  def is_authenticated(request):
      is_authenticated = request.user and request.user.is_authenticated
      if callable(is_authenticated):
          is_authenticated = is_authenticated()
  
      return {
          'is_authenticated': is_authenticated,
      }
  