6.4. Program Implementation - 2

Now that rectangle is working, we can use it to write our next procedure. I will tackle drawWall next. This procedure will take the name of the turtle, set a color, and then draw a 300x200 rectangle.

def rectangle(turtle, width, height): # Assumes turtle faces East to start with turtle.pendown() turtle.begin_fill() turtle.forward(width) turtle.right(90) turtle.forward(height) turtle.right(90) turtle.forward(width) turtle.right(90) turtle.forward(height) turtle.right(90) turtle.end_fill() turtle.penup() def drawWall(turtleName): turtleName.fillcolor("tan") rectangle(turtleName, 300, 200) from turtle import * space = Screen() steve = Turtle() steve.speed(10) steve.penup() steve.goto(-150, 50) drawWall(steve) # test the drawWall procedure

We want to write the code for the drawDoor procedure. Below is the code for it.

def drawDoor(currentTurtle):
    ______________.fillcolor("black")
    rectangle(______________, 50, 100)

What name belongs in the ______________?

• turtleName
• drawWall calls its parameter turtleName. But there is nothing named "turtle" in drawDoor.
• turtle
• rectangle calls its parameter turtle. But there is nothing named "turtle" in drawDoor.
• currentTurtle
• Correct.

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