Update D2_of_3Day_DoneWithPython.md

Author: MurphyWan

D2_of_3Day_DoneWithPython.md

@@ -768,18 +768,7 @@ In [2] : np.savetxt("myfile.txt", a)
 * 示例文本文件data.txt： (Example text file data.txt:)
 
 
-
-
-|Year|  Min temp.| Hax temp.|  
-|:----|----------:|----------:| 
-|1990|     -1.5 |       25.3|
-|1991|     -3.2|        21.2|       
-
-
-
-
-
-       
+      
 * Code:
 
 ```python 
@@ -792,6 +781,15 @@ In [2] : np.savetxt("myfile.txt", a)
 ```
 
 
+|Year|  Min temp.| Hax temp.|       
+
+|:----|----------:|----------:|
+
+|1990|     -1.5 |       25.3|
+
+|1991|     -3.2|        21.2|       
+
+
 
 ```python
 ```