differences for PR #261

Author: actions-user

04-motion.md

@@ -300,7 +300,7 @@ mask.sum()
 ```
 
 ```output
-25084
+np.int64(25084)
 ```
 
 A Boolean `Series` is sometimes called a "mask" because we can use it
@@ -460,7 +460,7 @@ pm_mask.sum()
 ```
 
 ```output
-1049
+np.int64(1049)
 ```
 
 Now we can use this mask to select rows from `results_df`.

md5sum.txt

@@ -6,7 +6,7 @@
 "episodes/01-query.md" "ef50e4ebab64292279a2bff4c02b8e29" "site/built/01-query.md" "2025-12-09"
 "episodes/02-coords.md" "e09a9430b981e5bd93578ce45cd61225" "site/built/02-coords.md" "2025-12-09"
 "episodes/03-transform.md" "2e23387100146ea0560592db981c65b7" "site/built/03-transform.md" "2025-12-09"
-"episodes/04-motion.md" "45ae38d6fdf58d23845a45c7e003eb10" "site/built/04-motion.md" "2025-12-09"
+"episodes/04-motion.md" "ebe3073ff00da59c6e90017f9b28cfef" "site/built/04-motion.md" "2025-12-11"
 "episodes/05-select.md" "ddb28c6b618fccdb978b3f10603456c3" "site/built/05-select.md" "2025-12-09"
 "episodes/06-join.md" "727db2dc018477415c5278714483a0f3" "site/built/06-join.md" "2025-12-09"
 "episodes/07-photo.md" "34fdbecffbc6fda5e8a549b38b28e50b" "site/built/07-photo.md" "2025-12-09"