stage.create_grid_overlay(50, 'greenyellow') size = .3 planet = codesters.Sprite("mars", -200, -200) planet.set_size(.4) planet.collision_off() stop1 = codesters.Sprite("codester", -100, -100) stop1.set_size(size)

t = codesters.Teacher() glides = t.get_parameters_for_function('glide_to') try: tval3 = t.find_function("pen_down")[0][1] except: tval3 = "DNE" try: tval1 = int(glides[0][0]) except: tval1 = "DNE" try: tval2 = int(glides[0][1]) except: tval2 = "DNE" try: tval4 = sprite.get_size() except: tval4 = "DNE" t1 = TestObjective() t1.add_success(tval1 == -100, "Great job!") t1.add_failure(tval1 == "DNE", "There's the Codester! Now add a Glide To command.") t1.add_failure(tval1 > 250 or tval1 < -250, "Oops! You moved your sprite off the stage!") t1.add_failure(tval4 > 1 or tval4 <0, "Oops! Did you accidentally change the size of your sprite?") t1.add_creative(tval1 != -100 and tval1 != "DNE" and tval1 >=-250 and tval1<=250, "That's a good place for your sprite, also!") t2 = TestObjective() t2.add_success(tval2 == -100, "Great job!") t2.add_failure(tval2 == "DNE", "Did you add a Glide To command?") t2.add_failure(tval2 == 50, "Did you change the y-coordinate to -100?") t2.add_failure(tval2 > 250 or tval2 < -250, "Oops! You moved your sprite off the stage!") t2.add_creative(tval2 != -100 and tval2 != "DNE" and tval2 >=-250 and tval2<=250, "That's a good place for your sprite, also!") t3 = TestObjective() t3.add_success('sprite' in tval3 ,"Great Job!") t3.add_failure(tval3 == "DNE", "Did you add a Pen Down command?") t3.add_failure('sprite' not in tval3, "Oops! Did you change the name in front of the Pen Down command?") tester = TestManager() tester.add_test_list([t3, t1, t2]) tester.run_tests() tester.display_first_feedback()