Update 4. Aggregation Pipelines: Let the Server Do It For You.md

Author: ortizfram

Introduction to MongoDB in Python/4. Aggregation Pipelines: Let the Server Do It For You.md

@@ -77,7 +77,7 @@ Previously, we confirmed -- via a Python loop -- that for each prize, either all
 > Which values fill the blanks?
 
 Possible Answers
-- [ ] "$laureates.share", ["3"], ["3"], "$laureates.share"
+- [x] "$laureates.share", ["3"], ["3"], "$laureates.share"
 - [ ] "laureates.share", ["3"], ["3"], "laureates.share"
 - [ ] "laureates.share", {"3"}, {"3"}, "laureates.share"
 - [ ] "$laureates.share", {"3"}, {"3"}, "$laureates.share"