'Solution_v1.00'

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

@@ -1,7 +1,45 @@
 import init_django_orm  # noqa: F401
 
 from django.db.models import QuerySet
+from db.models import Genre, Actor
 
 
 def main() -> QuerySet:
-    pass
+
+    for gen in ["Western", "Action", "Dramma"]:
+        Genre.objects.create(name=gen)
+
+    actors = [
+        ("George", "Klooney"),
+        ("Kianu", "Reaves"),
+        ("Scarlett", "Keegan"),
+        ("Will", "Smith"),
+        ("Jaden", "Smith"),
+        ("Scarlett", "Johansson")
+    ]
+    for actor_fname, actor_sname in actors:
+        Actor.objects.create(first_name=actor_fname, last_name=actor_sname)
+
+    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")

settings.py

@@ -17,4 +17,4 @@
 
 USE_TZ = False
 
-INSTALLED_APPS = ("db",)
+INSTALLED_APPS = ["db", ]