It looks you have another file in the same folder that is named turtle.py. rename it to something else because it overshadow the turtle module you want to use
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs