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 +2,33 @@
 
 from django.db.models import QuerySet
 
+from db.models import Genre, Actor
 
 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 last_name, first_name in actors:
+        Actor.objects.create(first_name=first_name, last_name=last_name)
+
+    Genre.objects.filter(name="Dramma").update(name="Drama")
+    Actor.objects.filter(first_name="George", last_name="Klooney").update(
+        last_name="Clooney"
+    )
+    Actor.objects.filter(
+        first_name="Kianu", last_name="Reaves"
+    ).update(
+        first_name="Keanu", last_name="Reevas")
+
+    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")