def main():
    s = Screen()
    s.bgcolor("black")
    p=Turtle()
    p.speed(0)
    p.hideturtle()
    p.pencolor("red")
    p.pensize(3)

    s.tracer(36,0)

    at = clock()
    mn_eck(p, 36, 19)
    et = clock()
    z1 = et-at

    sleep(1)

    at = clock()
    while any([t.undobufferentries() for t in s.turtles()]):
        for t in s.turtles():
            t.undo()
    et = clock()
    return "runtime: %.3f sec" % (z1+et-at) 

def __init__(self, game):
        self.game = game
        self.screen = game.screen
        self.model = game.model
        self.screen.colormode(255)
        self.screen.tracer(False)
        self.screen.bgcolor((240, 240, 255))
        self.writer = turtle.Turtle(visible=False)
        self.writer.pu()
        self.writer.speed(0)
        self.sticks = {}
        for row in range(3):
            for col in range(MAXSTICKS):
                self.sticks[(row, col)] = Stick(row, col, game)
        self.display("... a moment please ...")
        self.screen.tracer(True) 

def main():
    p = Turtle()
    p.ht()
    tracer(75,0)
    u = doit1(6, Turtle(undobuffersize=1))
    s = doit2(7, Turtle(undobuffersize=1))
    t = doit3(5, Turtle(undobuffersize=1))
    a = clock()
    while True:
        done = 0
        for b in u,s,t:
            try:
                b.__next__()
            except:
                done += 1
        if done == 3:
            break

    tracer(1,10)
    b = clock()
    return "runtime: %.2f sec." % (b-a) 

def __init__(self, game):
        self.game = game
        self.screen = game.screen
        self.model = game.model
        self.screen.colormode(255)
        self.screen.tracer(False)
        self.screen.bgcolor((240, 240, 255))
        self.writer = turtle.Turtle(visible=False)
        self.writer.pu()
        self.writer.speed(0)
        self.sticks = {}
        for row in range(3):
            for col in range(MAXSTICKS):
                self.sticks[(row, col)] = Stick(row, col, game)
        self.display("... a moment please ...")
        self.screen.tracer(True) 

def __init__(
                self,
                screen_width = 800,
                screen_height = 600,
                background_color = "black",
                title = "Simple Game Library by /u/wynand1004 AKA @TokyoEdTech",
                splash_time = 3):

        # Setup using Turtle module methods
        turtle.setup(width=screen_width, height=screen_height)
        turtle.bgcolor(background_color)
        turtle.title(title)
        turtle.tracer(0) # Stop automatic screen refresh
        turtle.listen() # Listen for keyboard input
        turtle.hideturtle() # Hides default turtle
        turtle.penup() # Puts pen up for defaut turtle
        turtle.setundobuffer(0) # Do not keep turtle history in memory
        turtle.onscreenclick(self.click)

        # Game Attributes
        self.SCREEN_WIDTH = screen_width
        self.SCREEN_HEIGHT = screen_height
        self.DATAFILE = "game.dat"
        self.SPLASHFILE = "splash.gif" # Must be in the same folder as game file

        self.fps = 30.0 # Lower this on slower computers or with large number of sprites
        self.title = title
        self.gravity = 0
        self.state = "showsplash"
        self.splash_time = splash_time

        self.time = time.time()

        # Clear the terminal and print the game title
        self.clear_terminal_screen()
        print (self.title)

        # Show splash
        self.show_splash(self.splash_time)

    # Pop ups 

def __init__(self,
                text,
                color,
                x = 0,
                y = 0,
                font_name = "Arial",
                font_size = 12,
                font_type = "normal",
                align = "left"):

        turtle.Turtle.__init__(self)
        self.hideturtle()
        self.penup()
        self.goto(x, y)
        self.color(color)
        self.font = (font_name, font_size, font_type)
        self.align = align

        # Attributes
        self.text = text


        # Append to master label list
        Game.labels.append(self) 

def main():
    p = Turtle()
    p.ht()
    tracer(75,0)
    u = doit1(6, Turtle(undobuffersize=1))
    s = doit2(7, Turtle(undobuffersize=1))
    t = doit3(5, Turtle(undobuffersize=1))
    a = clock()
    while True:
        done = 0
        for b in u,s,t:
            try:
                b.__next__()
            except:
                done += 1
        if done == 3:
            break

    tracer(1,10)
    b = clock()
    return "runtime: %.2f sec." % (b-a) 

def main():
    s = Screen()
    s.bgcolor("black")
    p=Turtle()
    p.speed(0)
    p.hideturtle()
    p.pencolor("red")
    p.pensize(3)

    s.tracer(36,0)

    at = clock()
    mn_eck(p, 36, 19)
    et = clock()
    z1 = et-at

    sleep(1)

    at = clock()
    while any([t.undobufferentries() for t in s.turtles()]):
        for t in s.turtles():
            t.undo()
    et = clock()
    return "runtime: %.3f sec" % (z1+et-at) 

def __init__(self, game):
        self.game = game
        self.screen = game.screen
        self.model = game.model
        self.screen.colormode(255)
        self.screen.tracer(False)
        self.screen.bgcolor((240, 240, 255))
        self.writer = turtle.Turtle(visible=False)
        self.writer.pu()
        self.writer.speed(0)
        self.sticks = {}
        for row in range(3):
            for col in range(MAXSTICKS):
                self.sticks[(row, col)] = Stick(row, col, game)
        self.display("... a moment please ...")
        self.screen.tracer(True) 

def main():
    myTurtle = turtle.Turtle()
    myTurtle.speed(0)  # adjust the drawing speed here
    myWin = turtle.Screen()
    
    size = 300
    # 3 points of the first triangle based on [x,y] coordinates
    myPoints = [[0, 0], [0, size], [size, size], [size, 0]]
    
    degree = 1  # Vary the degree of complexity here
    
    # first call of the recursive function
    sierpinski(myPoints, degree, myTurtle)

    myTurtle.hideturtle()  # hide the turtle cursor after drawing is completed
    myWin.exitonclick()  # Exit program when user click on window 

def __init__(self, x=0, y=0, dest=None):
        self.t = turtle.Turtle()
        self.t.speed(0)
        
        self.t.up()
        self.t.goto(x, y)
        self.t.down()
        
        if dest is None:
            # use start point as destination point
            self.destination(x, y)
        else:
            self.destination(*dest)
            
        # it is needed by `move` to execute `ontimer`
        self.screen = turtle.Screen()

        # start moving
        self.move() 

def __init__(self, pos, dest=None):
        '''create and initiate moth'''
        
        # define turtle 
        self.t = turtle.Turtle()
        self.t.speed(0)

        # it is needed to execute `ontimer`
        self.screen = turtle.Screen()
        
        # remember destination
        self.dest = dest

        # at start it is not fly
        self.is_flying = False        

        # move to start position 
        #(it will use self.dest so it has to be after `self.dest = dest`)
        self.move(pos)
        
        # if destination is set then fly to it
        # (currently it is in `move()`)
        #if self.dest is not None:
        #    self.move_to_light(self.dest) 

def Turtle_Mini_Project_KC():
    window = turtle.Screen()
    window.bgcolor("white")
    brad = turtle.Turtle()
    brad.shape("turtle")
    brad.color("blue")
    brad.speed(1)

    draw_K(brad)
    draw_C(brad)
    
    window.exitonclick() 

def start():
	# 不显示绘制时钟的过程
	turtle.tracer(False)
	turtle.mode('logo')
	createHand('second_hand', 150)
	createHand('minute_hand', 125)
	createHand('hour_hand', 85)
	# 秒, 分, 时
	second_hand = turtle.Turtle()
	second_hand.shape('second_hand')
	minute_hand = turtle.Turtle()
	minute_hand.shape('minute_hand')
	hour_hand = turtle.Turtle()
	hour_hand.shape('hour_hand')
	for hand in [second_hand, minute_hand, hour_hand]:
		hand.shapesize(1, 1, 3)
		hand.speed(0)
	# 用于打印日期等文字
	printer = turtle.Turtle()
	printer.hideturtle()
	printer.penup()
	createClock(160)
	# 开始显示轨迹
	turtle.tracer(True)
	startTick(second_hand, minute_hand, hour_hand, printer)
	turtle.mainloop() 

def main():
    p = Turtle()
    p.ht()
    tracer(75,0)
    u = doit1(6, Turtle(undobuffersize=1))
    s = doit2(7, Turtle(undobuffersize=1))
    t = doit3(5, Turtle(undobuffersize=1))
    a = clock()
    while True:
        done = 0
        for b in u,s,t:
            try:
                b.__next__()
            except:
                done += 1
        if done == 3:
            break

    tracer(1,10)
    b = clock()
    return "runtime: %.2f sec." % (b-a) 

def __init__(self, row, col, game):
        turtle.Turtle.__init__(self, visible=False)
        self.row = row
        self.col = col
        self.game = game
        x, y = self.coords(row, col)
        self.shape("square")
        self.shapesize(HUNIT/10.0, WUNIT/20.0)
        self.speed(0)
        self.pu()
        self.goto(x,y)
        self.color("white")
        self.showturtle() 

def main():
    s = Screen()
    s.bgcolor("black")
    p=Turtle()
    p.speed(0)
    p.hideturtle()
    p.pencolor("red")
    p.pensize(3)

    s.tracer(36,0)

    at = clock()
    mn_eck(p, 36, 19)
    et = clock()
    z1 = et-at

    sleep(1)

    at = clock()
    while any([t.undobufferentries() for t in s.turtles()]):
        for t in s.turtles():
            t.undo()
    et = clock()
    return "runtime: %.3f sec" % (z1+et-at) 

def __init__(self, row, col, game):
        turtle.Turtle.__init__(self, visible=False)
        self.row = row
        self.col = col
        self.game = game
        x, y = self.coords(row, col)
        self.shape("square")
        self.shapesize(HUNIT/10.0, WUNIT/20.0)
        self.speed(0)
        self.pu()
        self.goto(x,y)
        self.color("white")
        self.showturtle() 

def main():
    main = DrawGossip(Turtle())
    long = main.getScreen().numinput("边长", "请输入边长（像素值）：", 0, 1, 500)
    linesCount = main.getScreen().numinput("边数", "多边形边的数量：", 3, 3, 100)
    main.drawOctagonalLine(long, linesCount)
    return "EVENTLOOP"

# if __name__ == '__main__':
#     main()
#     TK.mainloop()  # keep window open until user closes it 

def visualize(lines):
    import turtle
    wn = turtle.Screen()
    t = turtle.Turtle()
    t.speed(0)
    t.pencolor('red')
    t.pd()
    for i in range(0,len(lines)):
        for p in lines[i]:
            t.goto(p[0]*640/1024-320,-(p[1]*640/1024-320))
            t.pencolor('black')
        t.pencolor('red')
    turtle.mainloop() 

def square():
    win = turtle.Screen()
    win.bgcolor("white")
    jack = turtle.Turtle()
    for x in range(1,5):
              jack.forward(100)
              jack.right(90)
    win.exitonclick() 

def __init__(self,
                text,
                color,
                x = 0,
                y = 0,
                font_name = "Arial",
                font_size = 12,
                font_type = "normal",
                align = "left"):

        turtle.Turtle.__init__(self)
        self.hideturtle()
        self.penup()
        self.goto(x, y)
        self.color(color)
        self.font_name = font_name
        self.font_size = font_size
        self.font_type = font_type
        self.font = (font_name, font_size, font_type)
        self.align = align

        # Attributes
        self.text = text

        # Append to master label list
        Game.labels.append(self) 

def __init__(self,
                shape,
                color,
                x = 0,
                y = 0):

        turtle.Turtle.__init__(self)
        # self.hideturtle()
        self.penup()
        # Register shape if it is a .gif file
        if shape.endswith(".gif"):
            try:
                turtle.register_shape(shape)
            except:
                Game.logs.append("Warning: {} file missing from disk.".format(shape))

                # Set placeholder shape
                shape = "square"

        self.shape(shape)
        self.color(color)
        self.goto(x, y)

        #Set click binding
        self.onclick(self.click)

        # Append to master button list
        Game.buttons.append(self) 

def __init__(
                self,
                screen_width = 800,
                screen_height = 600,
                background_color = "black",
                title = "Simple Game Library by /u/wynand1004 AKA @TokyoEdTech",
                splash_time = 3):

        # Setup using Turtle module methods
        turtle.setup(width=screen_width, height=screen_height)
        turtle.bgcolor(background_color)
        turtle.title(title)
        turtle.tracer(0) # Stop automatic screen refresh
        turtle.listen() # Listen for keyboard input
        turtle.hideturtle() # Hides default turtle
        turtle.penup() # Puts pen up for defaut turtle
        turtle.setundobuffer(0) # Do not keep turtle history in memory
        turtle.onscreenclick(self.click)

        # Game Attributes
        self.FPS = 30.0 # Lower this on slower computers or with large number of sprites
        self.SCREEN_WIDTH = screen_width
        self.SCREEN_HEIGHT = screen_height
        self.DATAFILE = "game.dat"
        self.SPLASHFILE = "splash.gif" # Must be in the same folder as game file

        self.title = title
        self.gravity = 0
        self.state = "showsplash"
        self.splash_time = splash_time

        self.time = time.time()

        # Clear the terminal and print the game title
        self.clear_terminal_screen()
        print (self.title)

        # Show splash
        self.show_splash(self.splash_time)

    # Pop ups 

def __init__(self,
                shape,
                color,
                x = 0,
                y = 0):

        turtle.Turtle.__init__(self)
        # self.hideturtle()
        self.penup()
        # Register shape if it is a .gif file
        if shape.endswith(".gif"):
            try:
                turtle.register_shape(shape)
            except:
                Game.logs.append("Warning: {} file missing from disk.".format(shape))

                # Set placeholder shape
                shape = "square"

        self.shape(shape)
        self.color(color)
        self.goto(x, y)

        #Set click binding
        self.onclick(self.click)

        # Append to master button list
        Game.buttons.append(self) 

def maketree():
    p = Turtle()
    p.setundobuffer(None)
    p.hideturtle()
    p.speed(0)
    p.getscreen().tracer(30,0)
    p.left(90)
    p.penup()
    p.forward(-210)
    p.pendown()
    t = tree([p], 200, 65, 0.6375)
    for x in t:
        pass
    print(len(p.getscreen().turtles())) 

def __init__(self, row, col, game):
        turtle.Turtle.__init__(self, visible=False)
        self.row = row
        self.col = col
        self.game = game
        x, y = self.coords(row, col)
        self.shape("square")
        self.shapesize(HUNIT/10.0, WUNIT/20.0)
        self.speed(0)
        self.pu()
        self.goto(x,y)
        self.color("white")
        self.showturtle() 

def __init__(self):
        self.t = turtle.Turtle()
        t = self.t
        t.pensize(3)
        t.speed(9)
        t.ondrag(getPosition) 

def __init__(self):
		turtle.Turtle.__init__(self)
		self.penup()
		self.shape("invader.gif")
		self.color("green")
		self.frame = 0
		self.frames = ["invader.gif", "invader2.gif"] 

def __init__(self):
        turtle.Turtle.__init__(self)
        # Maximum animation speed
        self.speed(0)
        self.penup()