solution

checklist.md

@@ -1,6 +1,6 @@
 # Сheck Your Code Against the Following Points
 
-### 1. Don't add this fragment:
+### 1. Don"t add this fragment:
 ```python
 if __name__ == "__main__":
     main()
@@ -43,5 +43,5 @@ Model.objects.create(first="b")
 Model.objects.create(first="c")
 ```
 
-### 4. Don't forget to add migrations to your PR.
+### 4. Don"t forget to add migrations to your PR.
 

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 +1,29 @@
-import init_django_orm  # noqa: F401
-
+from db.models import Genre, Actor
 from django.db.models import QuerySet
 
 
 def main() -> QuerySet:
-    pass
+    Genre.objects.create(name="Western")
+    Genre.objects.create(name="Action")
+    Genre.objects.create(name="Drama")
+    Actor.objects.create(first_name="George", last_name="Clooney")
+    Actor.objects.create(first_name="Keanu", last_name="Reeves")
+    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="Drama").update(name="Drama")
+
+    Actor.objects.filter(first_name="George",
+                         last_name="Clooney").update(last_name="Clooney")
+    Actor.objects.filter(first_name="Keanu",
+                         last_name="Reeves").update(first_name="Keanu",
+                                                    last_name="Reeves")
+
+    Genre.objects.filter(name="Action").delete()
+
+    Actor.objects.filter(first_name="Scarlett").delete()
+
+    actors = Actor.objects.filter(last_name="Smith").order_by("first_name")
+    return actors