[Python] Why do we call super().get_queryset() in Django's get_queryset method?

I have a method in my Django project:

def get_queryset(self):
queryset = super(OrderListView, self).get_queryset()
return queryset.filter(initiator=self.request.user)


I don’t understand why we use queryset = super(OrderListView, self).get_queryset() inside get_queryset().

What is the purpose of this line? What exactly does it do? Why do we call super() here? Why do we call the same method (get_queryset) inside itself? I've tried to understand it, but explanations so far haven't made it clear to me. I would appreciate a simple and satisfying answer.

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