Creation of the first site. EXPLAIN?

Question

Django

Zdarova People, I have a problem, I can't access the local site.
I looked at the tutorial on how to create a regular site, but I got completely confused in the Url, I seem to understand the top, but still, it’s far from complete understanding, since it doesn’t go to the local server. even I was wiser there, please, EXPLAIN what and how and why, who, of course, has time. but I can't fully understand it myself. here are the screenshots

Answer 1

change in views.py

def sait(request):
    return render(request, 'templates/sait.sait.html', locals())

on the

def sait(request):
    return render(request, 'sait/sait.html')