refactor implementation to use constants

lists/views.py

@@ -3,13 +3,17 @@ from django.shortcuts import redirect, render
 
 from lists.models import Item
 
+COMMENTARY_ZERO = 'yey, waktunya berlibur'
+COMMENTARY_LESS_THAN_FIVE = 'sibuk tapi santai'
+COMMENTARY_MORE_THAN_EQUAL_FIVE = 'oh tidak'
+
 def get_commentary(item_count):
     if (item_count == 0):
-        return 'yey, waktunya berlibur'
+        return COMMENTARY_ZERO
     elif (item_count < 5):
-        return 'sibuk tapi santai'
+        return COMMENTARY_LESS_THAN_FIVE
     elif (item_count >= 5):
-        return 'oh tidak'
+        return COMMENTARY_MORE_THAN_EQUAL_FIVE
 
 def home_page(request):
     if request.method == 'POST':