'Solution'

db/models.py

@@ -1 +1,9 @@
 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

@@ -1,7 +1,30 @@
 import init_django_orm  # noqa: F401
 
 from django.db.models import QuerySet
+from db.models import Genre, Actor
 
 
 def main() -> QuerySet:
-    pass
+    genres = ["Western", "Action", "Dramma"]
+    for genre in genres:
+        Genre.objects.create(name=genre)
+
+    actors = ["George Klooney",
+              "Kianu Reaves",
+              "Scarlett Keegan",
+              "Will Smith",
+              "Jaden Smith",
+              "Scarlett Johansson"]
+    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", last_name="Reaves").update(first_name="Keanu", last_name="Reeves")
+
+    Genre.objects.filter(name="Action").delete()
+    Actor.objects.filter(first_name="Scarlett").delete()
+
+    return Actor.objects.filter(last_name="Smith").all().order_by("first_name")
+

settings.py

@@ -1,3 +1,4 @@
+
 import os
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)