Update moving_average_from_data_stream.py

yingl · web-flow · commit 2fe9be6343fd · 2018-08-04T20:58:14.000+08:00
diff --git a/moving_average_from_data_stream.py b/moving_average_from_data_stream.py
@@ -23,3 +23,5 @@ def next(self, val):
         else:
             self.queue.append(val)
         return self.total / len(self.queue)
+
+# medium: https://lintcode.com/zh-cn/problem/moving-average-from-data-stream/
