what the parameter takes by authenticate in django code example

Example 1: how to create staff account in django

user = User.objects.create_user('john', '[email protected]', 'johnpassword')  
user.is_staff=True 
user.save()

Example 2: login views django template passing

path('accounts/login/', auth_views.LoginView.as_view(template_name='myapp/login.html')),