aded author to post_list

application/templates/post_list.html

         <a href="{% url 'post_detail' pk=post.pk %}">{{ post.title }}</a>
     </h1>
     <p>{{ post.text|linebreaks }}</p>
-    {% for tag in post.tags.all %}
-    <p>{{ tag.name }}</p>
-    {% endfor %}
-
+    <p>
+        {% for tag in post.tags.all %} 
+        <a href="">{{ tag.name }}, </a>
+        {% endfor %}
+    </p>
+    <p>
+        {{ post.author }}
+    </p>
 
 </div>
 {% endfor %} {% endblock %}