import turtle
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
# line missing here
turtle.forward(100)
turtle.right(180) turtle.right(4) turtle.left(90) turtle.right(90) import turtle
turtle.forward(100)
turtle.right(120)
turtle.forward(100)
turtle.right(120)
turtle.forward(100)
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