post-TR1 Update attempt 3

eyrei123 · eyrei123 · commit 43ad39e199b2 · 2025-07-07T20:39:06.000+01:00
diff --git a/how-to-drop-null-values-in-pandas/exercise_solutions.py b/how-to-drop-null-values-in-pandas/exercise_solutions.py
@@ -18,7 +18,7 @@
 
 # 4. Display the exams sat by at least five students.
 
-grades.dropna(axis=0, thresh=6) # Remember there are seven columns.
+grades.dropna(axis=0, thresh=6)  # Remember there are seven columns.
 
 # 5. Who else was in in every exam that both S2 and S4 sat?
 
