create a helper function to handle the sadness level logic

Author: HassanOHOsman

implement-laptop-allocation/main.py

@@ -26,5 +26,16 @@ class Laptop:
     operating_system: OperatingSystem
 
 
+def sadness(person: Person, laptop: Laptop):
+    try:
+        return person.preferred_operating_system.index(laptop.operating_system)
+    except ValueError:
+        return 100
+
+
+if laptop.operating_system == person.preferred_operating_system:
+    return index(Person.preferred_operating_system)
+else:
+    return "Sadness level is 100"
 
 def allocate_laptops(people: List[Person], laptops: List[Laptop]) -> Dict[Person, Laptop]: