我正在尝试使用海龟的 python 导入,但出现错误:
Traceback (most recent call last):
File "turtle.py", line 1, in <module>
import turtle
File "/turtle.py", line 32, in <module>
turtle.pensize(2)
AttributeError: 'module' object has no attribute 'pensize'
python 是自带turtle 还是需要单独下载?
我的python是2.7.2