三角形と六角形

$ python
Python 2.6.1 (r261:67515, Apr 26 2009, 20:50:46) 
[GCC 4.0.1 (Apple Inc. build 5490)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from turtle import *
>>> forward(100)
>>> left(120)
>>> forward(100)
>>> left(120)
>>> forward(100)
>>> for i in range(6):
...           forward(100)
...           right(60)
... 
>>>