Update range-sum-query-immutable.py

kamyu104 · kamyu104 · commit 5b6dd3dc6dcf · 2015-11-10T16:24:50.000+08:00
diff --git a/Python/range-sum-query-immutable.py b/Python/range-sum-query-immutable.py
@@ -23,7 +23,7 @@ def __init__(self, nums):
         """
         self.accu = [0]
         for num in nums: 
-            self.accu += self.accu[-1] + num,
+            self.accu.append(self.accu[-1] + num),
 
     def sumRange(self, i, j):
         """
