solution

db/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# Generated by Django 4.0.2 on 2024-12-02 13:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Actor',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(max_length=255)),
+                ('last_name', models.CharField(max_length=255)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Genre',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+            ],
+        ),
+    ]

db/models.py

@@ -1 +1,12 @@
 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 +1,33 @@
 import init_django_orm  # noqa: F401
 
 from django.db.models import QuerySet
+from db.models import Actor, Genre
 
 
 def main() -> QuerySet:
-    pass
+
+    Genre.objects.create(name="Western")
+    Genre.objects.create(name="Action")
+    Genre.objects.create(name="Dramma")
+    Actor.objects.create(first_name="George", last_name="Klooney")
+    Actor.objects.create(first_name="Kianu", last_name="Reaves")
+    Actor.objects.create(first_name="Scarlett", last_name="Keegan")
+    Actor.objects.create(first_name="Will", last_name="Smith")
+    Actor.objects.create(first_name="Jaden", last_name="Smith")
+    Actor.objects.create(first_name="Scarlett", last_name="Johansson")
+    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")
+    Genre.objects.filter(name="Action").delete()
+    Actor.objects.filter(first_name="Scarlett").delete()
+
+    return Actor.objects.filter(last_name="Smith").order_by("first_name")
+
+print(main())
+# <QuerySet [<Actor: Jaden Smith>, <Actor: Will Smith>]>
+
+print(Genre.objects.all())
+# <QuerySet [<Genre: Western>, <Genre: Drama>]>
+
+print(Actor.objects.all())
+# <QuerySet [<Actor: George Clooney>, <Actor: Keanu Reeves>, <Actor: Will Smith>, <Actor: Jaden Smith>]>