如何使用Python 2.7

Question

，使三角形，我想创建在Python 2.7空心三角形态像这样

* 
    * * 
    * * 
*  * 
* * * * * 

我想我可以用循环代码

line = 5 
for i in range (line): 
    print (line-i) * " " + (line+1) * "* " 

但输出

* 
    * * 
    * * * 
* * * * 
* * * * * 

任何人都帮我做出空心的三角形吗？ 谢谢。

Answer 1

line = 5 
print (line-1) * " " + "* " 
for i in xrange(1,line-1): 
    print (line-i-1)* " " + "*" + (2*i -1)*" " + "* " 
print (line) * "* "