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PORecursion with the turtle module (Python 3.1)
 

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  1. PORecursion with the turtle module (Python 3.1)
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    <p>I have a homework assignment that I just cant grasp. It makes no sense to me, and I dont even know if im going in the right direction at this point. </p> <p>here is my code so far:</p> <pre><code>import turtle def draw_rectangle(center_x, center_y, width, height, myTurtle): myTurtle.penup() myTurtle.goto(center_x - width/2, center_y - height/2) myTurtle.pendown() myTurtle.goto(center_x - width/2, center_y + height/2) myTurtle.goto(center_x + width/2, center_y + height/2) myTurtle.goto(center_x + width/2, center_y - height/2) myTurtle.goto(center_x - width/2, center_y - height/2) def smallerRec(width, height, level, myTurtle): rectangle_art( width/2, -height/2, width/2 , height/2, level-2, myTurtle) rectangle_art(-width/2, height/2, width/2 , height/2, level-2, myTurtle) rectangle_art(-width/2, -height/2, width/2 , height/2, level-2, myTurtle) rectangle_art( width/2, height/2, width/2 , height/2, level-2, myTurtle) def smallerRec3(width, height, level, myTurtle): bottom_y = 25 top_y = 75 left_x = 50 right_x = 150 rectangle_art( right_x, top_y, width/level , height/level, level-3, myTurtle) rectangle_art( right_x, bottom_y, width/level , height/level, level-3, myTurtle) rectangle_art( left_x, top_y, width/level , height/level, level-3, myTurtle) rectangle_art( left_x, bottom_y, width/level , height/level, level-3, myTurtle) def rectangle_art(center_x, center_y, width, height, level, myTurtle): if (level &lt;= 1): draw_rectangle(center_x, center_y, width, height, myTurtle) elif(level == 2): draw_rectangle(center_x, center_y, width, height, myTurtle) smallerRec(width, height, level, myTurtle) elif(level == 3): draw_rectangle(center_x, center_y, width, height, myTurtle) smallerRec (width, height, level, myTurtle) smallerRec3(width, height, level, myTurtle) def main(): myTurtle = turtle.Turtle() myWindow = turtle.Screen() rectangle_art(0, 0, 200, 100, 3, myTurtle) myWindow.exitonclick() main() </code></pre> <p>and this is the output of that code: <a href="http://puu.sh/5j491.png" rel="nofollow noreferrer">outout of the code above http://puu.sh/5j491.png</a></p> <p>and here is what it should look like:</p> <p><a href="http://puu.sh/5j4ds.png" rel="nofollow noreferrer">the assignment http://puu.sh/5j4ds.png</a></p> <p>Am I headed in the right direction, in terms of recursion?</p>
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