Solution

db/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# Generated by Django 4.0.2 on 2024-12-05 10:16
+
+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 +1,10 @@
 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 +2,39 @@
 
 from django.db.models import QuerySet
 
+from db.models import Genre, Actor
+
 
 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(
+        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()
+
+    return Actor.objects.filter(last_name="Smith").order_by("first_name")