Update 042._trapping_rain_water.md

0xkookoo · web-flow · commit d78ea0c34da1 · 2018-09-27T12:44:53.000-05:00
diff --git a/docs/Leetcode_Solutions/Python/042._trapping_rain_water.md b/docs/Leetcode_Solutions/Python/042._trapping_rain_water.md
@@ -15,6 +15,7 @@ Given n non-negative integers representing an elevation map where the width of e
 ```
 
 ![](https://github.com/apachecn/awesome-algorithm/blob/master/images/042/rainwatertrap.png)
+
 The above elevation map is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped. Thanks Marcos for contributing this image!
 ```
 Example:
