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4.10. Chapter Exercises

There are 3 syntax errors in the following code. Fix it to work correctly without errors.

from turtle import * space = screen() alex = Turtle alex.Forward(150) ==== from unittest.gui import TestCaseGui class myTests(TestCaseGui): def testOne(self): self.assertAlmostEqual(alex.xcor(), 150, 2, "Testing alex's x position." ) myTests().main()

The code below is supposed to make alex move North 150 pixels and then move East 75, but the lines are in the wrong order. Fix it so that it runs properly.

alex = Turtle() alex.forward(150) alex.right(90) from turtle import * alex.left(90) space = Screen() alex.forward(75) ==== from unittest.gui import TestCaseGui class myTests(TestCaseGui): def testOne(self): self.assertAlmostEqual(alex.xcor(), 75, 2, "Testing alex's x position." ) self.assertAlmostEqual(alex.ycor(), 150, 2, "Testing alex's y position." ) myTests().main()

Use the area below to draw to draw your initials in block style using different colors for each letter.

This problem is not auto-checked, you will have to decide if it is correct or not.

from turtle import * space = Screen() jessica = Turtle()

Create a drawing that uses a mix of straight lines (possibly filled in) and one or more circles created by making large dots.

This problem is not auto-checked, you will have to decide if it is correct or not.

from turtle import * space = Screen() antonio = Turtle()

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