Update 3. Get Only What You Need, and Fast.md

Author: ortizfram

Introduction to MongoDB in Python/3. Get Only What You Need, and Fast.md

@@ -92,3 +92,19 @@ for prize in prizes:
 ![image](https://user-images.githubusercontent.com/51888893/204381868-7de20ade-488a-454d-91a2-f887495106e0.png)
 ### 📚 Primary and secondary sorting
 ![image](https://user-images.githubusercontent.com/51888893/204382060-571d2118-4469-4142-bd7f-f3005f853ffb.png)
+
+## :gorilla What the sort?
+> This block prints out the first five projections of a sorted query. What "sort" argument fills the blank?
+```py
+docs = list(db.laureates.find(
+    {"born": {"$gte": "1900"}, "prizes.year": {"$gte": "1954"}},
+    {"born": 1, "prizes.year": 1, "_id": 0},
+    sort=____))
+for doc in docs[:5]:
+    print(doc)
+```
+    {'born': '1916-08-25', 'prizes': [{'year': '1954'}]}
+    {'born': '1915-06-15', 'prizes': [{'year': '1954'}]}
+    {'born': '1901-02-28', 'prizes': [{'year': '1954'}, {'year': '1962'}]}
+    {'born': '1913-07-12', 'prizes': [{'year': '1955'}]}
+    {'born': '1911-01-26', 'prizes': [{'year': '1955'}]}