add function comment

2022-12-04 14:34:47 +01:00
parent 5a5f94d557
commit 22413c844b
1 changed files with 3 additions and 0 deletions
--- a/4/cleanup.py
+++ b/4/cleanup.py
@@ -3,6 +3,9 @@ from aocd import submit


 def find_overlaps(sets: list) -> int:
+    """
+    count the number of sets that overlap
+    """
    overlaps = [1 if set.intersection(*pair) else 0 for pair in sets]
    return sum(overlaps)