Warning! It seems that you are using Dodona within another webpage, so not everything may work properly. Let your teacher know so that he can solve the problem by adjusting a setting in the learning environment. In the meantime, you can click
this link to open Dodona in a new window.
Warning! The page was not fully loaded, probably because of a network issue. It could be that not all functionalities work as expected. Please try reloading the page.
import turtle as t
t.bgcolor('ivory')
t.fillcolor('blue')
t.begin_fill()
for _ in range(4):
t.forward(100)
t.right(90)
t.end_fill()
t.done()