== 加上了空格

xwlan · May 29, 2019 · 9b9d052 · 9b9d052
1 parent 7d8e301
commit 9b9d052
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/problems/20.validParentheses.md b/problems/20.validParentheses.md
@@ -187,7 +187,7 @@ Python Code:
                   continue
               else:
                 return False
-          return len(stack)==0
+          return len(stack) == 0
 ```
 
 ## 扩展