2020-10-07

JiayangWu · JiayangWu · commit d136bd3a4d62 · 2020-10-07T23:59:19.000-04:00
diff --git a/0020.有效的括号/0020-有效的括号.py b/0020.有效的括号/0020-有效的括号.py
@@ -13,4 +13,4 @@ def isValid(self, s):
                 if not stack or dic[ch] != stack[-1]:
                     return False
                 stack.pop()
-        return len(stack) == 0
+        return len(stack) == 0 
