mainloop function from turtle class is not working, Python

Question

This is my code :

import turtle             
wn = turtle.Screen()      
alex = turtle.Turtle()    

alex.forward(50)          
alex.left(90)             
alex.forward(30)          

wn.mainloop()

And my error is: "_Screen object has no attribute mainloop"

I tried to do just "mainloop" but then I got NameError while doing alex.mainloop gave same error i.e. turtle object has no attribute mainloop.

Googling told me that I might have my file name as turtle.py creating the conflict but that's not the case.

In python 3, this works fine, so I assume this is py 2 only. I'm tagging as such but please let me know if I'm mistaken in that assumption. — ggorlen
– ggorlen, Commented Mar 4, 2023 at 16:38
Does this answer your question? AttributeError: '_Screen' object has no attribute 'mainloop' — ggorlen
– ggorlen, Commented Mar 4, 2023 at 16:38

krock · Accepted Answer · 2015-03-10 10:33:00Z

1

You just need to call the mainloop() function on the turtle module. So your last line should be:

turtle.mainloop()

answered Mar 10, 2015 at 10:33

krock

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2 Comments

Tanmay Singh Over a year ago

Thanks, it works but I don't understand, why won't it work on the screen or turtle object?

krock Over a year ago

It is very unclear from the documentation. The documentation of turtle.mainloop() has an example showing screen.mainloop().

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