solution

db/models.py

@@ -1 +1,18 @@
 from django.db import models
+
+
+class Genre(models.Model):
+
+    name = models.CharField(max_length=255)
+
+    def __str__(self) -> str:
+        return self.name
+
+
+class Actor(models.Model):
+
+    first_name = models.CharField(max_length=255)
+    last_name = models.CharField(max_length=255)
+
+    def __str__(self) -> str:
+        return f"{self.first_name} {self.last_name}"

main.py

@@ -1,7 +1,49 @@
 import init_django_orm  # noqa: F401
 
 from django.db.models import QuerySet
+from db.models import Genre, Actor
 
 
 def main() -> QuerySet:
-    pass
+    for genre in ["Western", "Action", "Dramma"]:
+        Genre.objects.create(
+            name=genre
+        )
+
+    for actor in ["George Klooney", "Kianu Reaves",
+                  "Scarlett Keegan", "Will Smith",
+                  "Jaden Smith", "Scarlett Johansson"]:
+        first_n = actor.split()[0]
+        last_n = actor.split()[-1]
+        Actor.objects.create(
+            first_name=first_n,
+            last_name=last_n,
+        )
+
+    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="Reeves")
+
+    Genre.objects.filter(
+        name="Action"
+    ).delete()
+
+    Actor.objects.filter(
+        first_name="Scarlett",
+    ).delete()
+
+    list_of_actors = Actor.objects.filter(
+        last_name="Smith",
+    ).order_by("first_name")
+
+    return list_of_actors