solution

db/models.py

@@ -1 +1,10 @@
 from django.db import models
+
+
+class Genre(models.Model):
+    name = models.CharField(max_length=255)
+
+
+class Actor(models.Model):
+    first_name = models.CharField(max_length=255)
+    last_name = models.CharField(max_length=255)

main.py

@@ -2,6 +2,38 @@
 
 from django.db.models import QuerySet
 
+from db.models import Actor
+from db.models import Genre
+
 
 def main() -> QuerySet:
-    pass
+    genres = ["Western", "Action", "Dramma"]
+    actors = ["George Klooney", "Kianu Reaves",
+              "Scarlett Keegan", "Will Smith",
+              "Jaden Smith", "Scarlett Johansson"]
+    for genre in genres:
+        Genre.objects.create(name=genre)
+
+    for actor in actors:
+        first_name, last_name = actor.split(" ")
+        Actor.objects.create(first_name=first_name,
+                             last_name=last_name)
+
+    Genre.objects.filter(name="Dramma").update(name="Drama")
+    (Actor.objects.filter(last_name="Klooney").
+     update(last_name="Clooney"))
+    (Actor.objects.filter(first_name="Kianu").
+     update(first_name="Keanu", last_name="Reeves"))
+
+    action_genre = Genre.objects.filter(name="Action")
+    if action_genre.exists():
+        action_genre.delete()
+
+    actress_scarlett = Actor.objects.filter(first_name="Scarlett")
+    if actress_scarlett.exists():
+        actress_scarlett.delete()
+
+    sorted_actors = (Actor.objects.
+                     filter(last_name="Smith").
+                     order_by("first_name"))
+    return sorted_actors