"pagination.html"
{% load bootstrap4 %}
<div class="container">
    <nav aria-label="Page navigation example">
        <ul class="pagination">
            {% if page.has_previous %}
            <li class="page-item"><a class="page-link" href="?page={{ page.previous_page_number }}">Previous</a>
            </li>
            {% endif %}
            {% if page.has_next %}
            <li class="page-item"><a class="page-link" href="?page={{ page.next_page_number }}">Next</a>
            </li>
            {% endif %}
        </ul>
    </nav>
</div>

"list.html"
{% extends "blog/base.html" %}

{% block title %} Szpagat {% endblock %}

{% block content %}
    {% for post in posts %}
      <h2>
      <a href="{{ post.get_absolute_url }}">
        {{ post.title}}
      </a>
      </h2>
      <p class="date">
      Opublikowany {{ post.publish }} przez {{ post.author }}
      </p>
      {{ post.body|truncatewords:30|linebreaks }}
    {% endfor %}  
{% include "pagination.html" with page=posts %}
{% endblock %}

kod:
  def post_list(request):
    object_list = Post.published.all()
    paginator = Paginator(object_list, 3) 
    page = request.GET.get('page')
    try:
        posts = paginator.page(page)
    except PageNotAnInteger:
       
        posts = paginator.page(1)
    except EmptyPage:
        
        posts = paginator.page(paginator.num_pages)
    return render(request,
                    'blog/post/list.html',
                    {'page': page,
                    'posts': posts})