1 files changed, 2 insertions, 0 deletions
diff --git a/math_utils.py b/math_utils.py
index 156862a..49ad407 100644
--- a/math_utils.py
+++ b/math_utils.py
@@ -74,6 +74,8 @@ class NumericPopulation(object):
         return self.aggregate / count
 
     def get_mode(self) -> Tuple[float, int]:
+        """Returns the mode (most common member)."""
+
         count: Dict[float, int] = collections.defaultdict(int)
         for n in self.lowers:
             count[-n] += 1