def test_turtle(self):
tw = TurtleWorld.TurtleWorld()
t = TurtleWorld.Turtle()
t.delay = 0.01
t.step()
t.bk(10)
t.rt(10)
t.lt(-10)
t.pu()
t.pd()
t.set_color('papaya whip')
t.set_pen_color('yellow')
TurtleWorld.fd(t, 10)
TurtleWorld.bk(t, 10)
TurtleWorld.lt(t, 10)
TurtleWorld.rt(t, 10)
TurtleWorld.pu(t)
TurtleWorld.pd(t)
TurtleWorld.set_color(t, 'cyan')
TurtleWorld.set_pen_color(t, 'magenta')
x = t.get_x()
self.assertAlmostEqual(x, -9.0)
y = t.get_y()
self.assertAlmostEqual(y, 0.0)
heading = t.get_heading()
self.assertAlmostEqual(heading, -20)
tw.quit()
def test_turtle_world(self):
tw = TurtleWorld.TurtleWorld(interactive=True)
tw.setup_run()
tw.delay = 0.01
control = tw.make_turtle()
control.set_color('magenta')
control.move_turtle(-1)
tw.clear()
tw.quit()
def crossover(): # very clever!
print ("What is this, a crossover episode?")
time.sleep(1.5)
world= TurtleWorld()
bob = Turtle()
bob.delay = 0.0001
bob.pen_color = "black"
symbol(bob, 15)
wait_for_user()
def main():
# Create TurtleWorld object
world = TurtleWorld()
# Create Turtle object
t = Turtle()
t.delay = 0.001
# Draw graphics
pyramid(t, 5)
# Press enter to exit
key = input('Press enter to exit')
world.destroy()
def make_world(constructor):
# create TurtleWorld
world = TurtleWorld()
world.delay = .01
world.setup_run()
# make three Wobblers with different speed and clumsiness attributes
colors = ['orange', 'green', 'purple']
i = 1.0
for color in colors:
t = constructor(world, i, i * 30, color)
i += 0.5
return world
def main():
# Create TurtleWorld object
world = TurtleWorld()
# Create Turtle object
crush = Turtle()
crush.delay = 0.001
# Draw graphics
square(crush, 10)
lt(crush, 45)
fd(crush, sqrt(2) * 10)
rt(crush, 45)
square(crush, 20)
lt(crush, 45)
fd(crush, sqrt(2) * 20)
rt(crush, 45)
square(crush, 30)
lt(crush, 45)
fd(crush, sqrt(2) * 30)
rt(crush, 45)
# Press enter to exit
key = input('Press enter to exit')
world.destroy()
from TurtleWorld import * world = TurtleWorld() bob = Turtle() from koch_curve import koch t = bob x = 360 bob.delay = .01 koch(t, x) rt(t, 120) koch(t, x) rt(t, 120) koch(t, x) rt(t, 120) # def koch(t,x): # if x<3: # return # pd(t) # fd(t,x/3) # lt(t, 60) # fd(t,x/3) # rt(t,120) # fd(t,x/3) # lt(t,60)
def main():
world = TurtleWorld()
turtle = Turtle()
#################################################################################################################
# Problem 2: Grades
# TODO: create a for loop that runs until all grades have been entered
# The body of the for loop gets a numerical grade from the user, and then passes that numerical grade
# to getLetterGrade, which outputs the letter grade, and returns True, if the numerical grade is valid,
# and False if the numerical grade was invalid.
#
# The loop should keep separate counts of the valid and invalid grades entered. Make sure to properly
# initialize the two variables that track the counts
# If getLetterGrade returns True, update valid_cnt, gpa, and output "Valid grade entered"
# If getLetter Grade returns False, update invalid_cnt, and output "Invalid grade entered"
# The loop should also accumulate the valid grades in gpa. make sure to properly initialize gpa, as well.
#
# After the for loop terminates, calculate the gpa from the valid grades accumulated in gpa / valid grade count
# number of grades to enter
grades = int(
input('Enter the number of numerical grades to be converted: '))
# TODO P2-1: Provide an appropriate initialization value for valid_cnt
# count of valid grades
valid_cnt = 0
# TODO P2-1: Provide an appropriate initialization value for invalid_cnt
# count of invalid grades
invalid_cnt = 0
# TODO P2-1: Provide an appropriate initialization value for gpa
# accumulate valid grades and then calculate gpa
gpa = 0
# TODO P2-2: for loop starts here, embed the following lines in the loop, down to line that says "Loop ends here"
# the for loop should process all grades entered by the user
for i in range(grades):
grade = float(input('\nEnter next numerical grade: '))
# TODO P2-3: Pass the grade entered above to getLetterGrade
# TODO P2-4: Provide an if statement that checks the return value of getLetterGrade,
# updates valid_cnt, gpa, invalid_cnt, as necessary, and outputs the appropriate message from below
if (getLetterGrade(grade)):
gpa = gpa + grade
valid_cnt = valid_cnt + 1
print('Valid grade entered')
else:
invalid_cnt = invalid_cnt + 1
print('Invalid grade entered')
# TODO P2-2: for loop ends here
# TODO P2-5: Calculate the gpa for the valid grades
gpa = gpa / valid_cnt
# After the loop terminates, output the counts of valid and invalid grades, and the gpa
print('\nValid grades:', valid_cnt, ', Invalid grades:', invalid_cnt,
', gpa', gpa, '\n')
################################################################################################################
# Problem 3:
# TODO P3-2: Validate the user input such that it is greater than 0
length = 0
while length <= 0:
length = int(input('Enter a length value greater than 0: '))
#TODO P3-3: Call the draw_star function if the user input a value greater than 50
if length > 50:
draw_star(turtle, length)
# otherwise print an error message
else:
print('Length must be greater than 50 to draw a star')
key = input('Press any key to exit')
world.destroy()
