def main():
    turtle.setup(1300, 800, 0, 0)   # 启动图形窗口
    pythonsize = 10
    turtle.pensize(pythonsize)
    turtle.pencolor("blue")
    turtle.seth(-40)        # 启动时运动的方向（角度）
    drawSnake(40, 80, 5, pythonsize/2)

    def draw(self):
        super(DragonLSystem, self).draw()

        turtle.setup(800,600)
        wn = turtle.Screen()
        wn.bgcolor('lightblue')
        wn.title("Wingled Dragon")

        self.turtle = turtle.Turtle()
        self.turtle.shape('blank')
        turtle.tracer(int(sys.argv[2]),25)
        t = self.turtle
        t.reset()

        t.penup()
        t.setpos(-200,0)
        t.pendown()
        i = 200.0
        for c in self.state:
            if c == "F":
                t.forward(math.ceil(i))
            elif c == "+":
                t.right(90)
            elif c == "-":
                t.left(90)
            elif c == "C":
                i = i/math.sqrt(2)
                t.left(45)

        wn.exitonclick()

def initBannerCanvas( numChars, numLines ):
    """
    Set up the drawing canvas to draw a banner numChars wide and numLines high.
    The coordinate system used assumes all characters are 20x20 and there
    are 10-point spaces between them.
    Postcondition: The turtle's starting position is at the bottom left
    corner of where the first character should be displayed.
    """
    # This setup function uses pixels for dimensions.
    # It creates the visible size of the canvas.
    canvas_height = 80 * numLines 
    canvas_width = 80 * numChars 
    turtle.setup( canvas_width, canvas_height )

    # This setup function establishes the coordinate system the
    # program perceives. It is set to match the planned number
    # of characters.
    height = 30 
    width = 30  * numChars
    margin = 5 # Add a bit to remove the problem with window decorations.
    turtle.setworldcoordinates(
        -margin+1, -margin+1, width + margin, numLines*height + margin )

    turtle.reset()
    turtle.up()
    turtle.setheading( 90 )
    turtle.forward( ( numLines - 1 ) * 30 )
    turtle.right( 90 )
    turtle.pensize( 2 * scale)

def main():  
    turtle.setup(1300,800,0,0)  
    pythonsize=1  
    turtle.pensize(pythonsize)  
    turtle.pencolor("black")  
    turtle.seth(-40)  
    drawSnack(40,80,5,pythonsize/2)  

def main():
    turtle.title('数据驱动的动态路径绘制')
    turtle.setup(800,600,0,0)
    #设置画笔
    pen = turtle.Turtle()
    pen.color("red")
    pen.width(5)
    pen.shape("turtle")
    pen.speed(5)
    #读取文件
    result = []
    file = open("C:\Users\30908\Desktop\wode.txt","r")
    for line in file:
        result.append(list(map(float,line.split(","))))
    print result
    #动态绘制
    for i in range(len(result)):
        pen.color((result[i][3],result[i][4],result[i][5]))
        pen.fd(result[i][0])
        if result[i][1]:
            pen.rt(result[i][2])
        else:
            pen.lt(result[i][2])
    pen.goto(0,0)
    file.close()

    def SCREEN( self, mode ):
        """
        SCREEN 0 ● Text mode only

        SCREEN 1 ● 320 × 200 pixel medium-resolution graphics ● 80 x 25 text

        SCREEN 2 ● 640 × 200 pixel high-resolution graphics ● 40 × 25 text

        SCREEN 7 ● 320 × 200 pixel medium-resolution graphics ● 40 × 25 text

        SCREEN 8 ● 640 × 200 pixel high-resolution graphics ● 80 × 25 text

        SCREEN 9 ● 640 × 350 pixel enhanced-resolution graphics ● 80 × 25 text

        SCREEN 10 ● 640 × 350 enhanced-resolution graphics ● 80 × 25 text
        """
        if mode == 8:
            # Officially 640x200 with rectangular pixels, appears as 640x480.
            turtle.setup( width=640, height=480 )
            turtle.setworldcoordinates(0,0,640,480)
            self.aspect_v = (200/640)*(4/3)
        elif mode == 9:
            # Official 640x350 with rectangular pixels, appears 640x480.
            turtle.setup( width=640, height=480 )
            turtle.setworldcoordinates(0,0,640,480)
            self.aspect_v = (350/640)*(4/3)

   def initialize_plot(self, positions):
      self.positions = positions
      self.minX = minX = min(x for x,y in positions.values())
      maxX = max(x for x,y in positions.values())
      minY = min(y for x,y in positions.values())
      self.maxY = maxY = max(y for x,y in positions.values())
      
      ts = turtle.getscreen()
      if ts.window_width > ts.window_height:
          max_size = ts.window_height()
      else:
          max_size = ts.window_width()
      self.width, self.height = max_size, max_size
      
      turtle.setworldcoordinates(minX-5,minY-5,maxX+5,maxY+5)
      
      turtle.setup(width=self.width, height=self.height)
      turtle.speed("fastest") # important! turtle is intolerably slow otherwise
      turtle.tracer(False)    # This too: rendering the 'turtle' wastes time
      turtle.hideturtle()
      turtle.penup()
      
      self.colors = ["#d9684c","#3d658e","#b5c810","#ffb160","#bd42b3","#0eab6c","#1228da","#60f2b7" ]

      for color in self.colors:         
         s = turtle.Shape("compound")
         poly1 = ((0,0),(self.cell_size,0),(self.cell_size,-self.cell_size),(0,-self.cell_size))
         s.addcomponent(poly1, color, "#000000")
         turtle.register_shape(color, s)
      
      s = turtle.Shape("compound")
      poly1 = ((0,0),(self.cell_size,0),(self.cell_size,-self.cell_size),(0,-self.cell_size))
      s.addcomponent(poly1, "#000000", "#000000")
      turtle.register_shape("uncolored", s)

def startGame():
    '''Draws the grid ready to play the game
       Clears the grid to make sure it is empty before starting a new game
       Displays the rules/how to play to the user
       Asks the user which game mode to play by calling gameModeSelection()'''       
    
    turtle.setup(650,600)
    turtle.title("Noughts and Crosses by Genaro Bedenko")
    drawGrid()

    # Reset the gridSquares to be empty
    # This is needed for when a game has already been played and the player chose 
    # to play again, they need to play from a new grid
    for i in range(1,10):
        gridSquares[i] = 0

    displayRules()

    playSavedGame = messagebox.askquestion(title="Play Previous Game?", message="Do you want to play a previously saved game?")

    if(playSavedGame=="yes"):
        try:
            loadGame(gridSquares)

        # If the user clicks yes to play a saved game but their isn't one saved in the directory. Display a message to tell them
        # this and move on to starting a new game
        except FileNotFoundError:
            messagebox.showinfo(title="No Saved Game Available", message="There isn't a currently saved game available to play")
            gameModeSelection()
    else:
        gameModeSelection()

def main():
    # set up the name of the window
    turtle.title("Polygonville")
    # setup the screen size through (1000, 650)
    # setup the initial location through (0,0)
    turtle.setup(1000,650,0,0)
    print("Welcome to Polygonville!")
    totalSides = input("Input number of sides in the polygon: ")
    while totalSides != 0:
        if totalSides < 3:
            print("Sorry, " + str(totalSides) + " is not "
            + "valid, try again or press 0 to exit")
        elif totalSides == 3:
            totalAngles = 180 * (totalSides - 2)
            sideLength = input("Put polygon sidelength: ")
            angle = totalAngles/totalSides
            func1(totalSides, sideLength, angle, totalAngles)
        else:
            totalAngles = 180 * (totalSides - 2)
            sideLength = input("Put polygon side length: ")
            angle = totalAngles/totalSides
            func2(totalSides, sideLength, angle, totalAngles)
        if totalSides > 3:
            print("Polygon Summary: \n" + 
                "Sides: " + str(totalSides) + "| Anterior Angle: " + 
                str(angle) + "| Sum of Angles: " + str(totalAngles))
        totalSides = input("\nInput number of sides in the polygon: ")
    if totalSides == 0:
        print("Thank you for using Polygonville!")

	def __init__(self, length, width, roomba_step, obstacles=None):
		'''
		###initialization
		'''
		self.obstacles = obstacles
		self.orient = 0
		self.length = length #assume length in m
		self.width = width #assume width in m
		self.roomba_step = roomba_step#assume in m
		self.multiply_factor = 50 #screenstep = multiply_factor * length/width
		self.step_l = self.length*self.multiply_factor
		self.step_w = self.width*self.multiply_factor
		self.roomba_l = self.roomba_step*self.multiply_factor
		self.t = turtle.Turtle()
		self.t.shape("classic")
		turtle.setup(self.step_l+100,self.step_w+100)
		turtle.screensize(self.step_l+10, self.step_w+10)
		#turtle.bgcolor("orange")
		self.t.penup()
		self.t.bk(self.step_l/2) # backward()
		self.t.lt(90) # left()
		self.t.fd(self.step_w/2) # forward()
		self.t.rt(90) # right()
		self.draw_boundary(self.step_l, self.step_w, self.roomba_l, self.t)
		###set pen width
		self.t.pendown()
		self.t.pencolor("green")
		self.t.pensize(self.roomba_l-1)

		self.t.fd(self.roomba_l)

def main():
	turtle.setup(1300, 800, 0, 0)
	pythonsize = 30
	turtle.pensize(pythonsize)
	turtle.pencolor('blue')
	turtle.seth(-40)
	drawSnake(rad = 40, angle = 80, len = 5, neckrad = pythonsize/2 )

	def __init__(self, mazeFileName):
		rowsInMaze = 0
		columnsInMaze = 0
		self.mazelist = []
		mazeFile = open(mazeFileName, 'r')
		for line in mazeFile:
			rowList = []
			col = 0
			for ch in line[:-1]:
				rowList.append(ch)
				if ch == 'S':
					self.startRow = rowsInMaze
					self.startCol = col
				col = col + 1
			rowsInMaze = rowsInMaze + 1
			self.mazelist.append(rowList)
			columnsInMaze = len(rowList)

		self.rowsInMaze = rowsInMaze
		self.columnsInMaze = columnsInMaze
		self.xTranslate = -columnsInMaze / 2
		self.yTranslate = rowsInMaze / 2

		self.t = turtle.Turtle()
		self.t.shape('turtle')
		self.wn = turtle.Screen()
		turtle.setup(width = 600, height = 600)
		turtle.setworldcoordinates(-(columnsInMaze - 1)/2 - .5,
											  -(rowsInMaze - 1) / 2 - .5,
											  (columnsInMaze - 1)/ 2 + .5,
											  (rowsInMaze - 1) / 2 + .5 )

def dessine(liste):
	"""
	Fonction qui ce charge de dessiner les courbes.
	"""
	# Si la liste reçu n'est pas vide.
	if liste != []:

		# Création de la fenètre turtle.
		t = turtle.Turtle()

		# On cache la tortue.
		t.hideturtle()

		# On met la vitesse max.
		t.speed(0)

		# On configure la taille de la fenètre.
		turtle.setup(width=650,height=650)

		# Création du repère.
		repère(t)

		# On compte le nombre de tour à faire.
		nb_tour = len(liste)

		# Boucle qui permet d'afficher les courbes.
		for n in range(nb_tour):
			e = liste[n]
			f = e[0]
			c = e[1]
			fonction(t,f,c)

		# Mainloop pour que la fenètre reste.
		turtle.mainloop()

	def plot(self, node1, node2, debug=False):
		"""Plots wires and intersection points with python turtle"""
		tu.setup(width=800, height=800, startx=0, starty=0)
		tu.setworldcoordinates(-self.lav, -self.lav, self.sample_dimension+self.lav, self.sample_dimension+self.lav)
		tu.speed(0)
		tu.hideturtle()
		for i in self.index:
			if debug:
				time.sleep(2)   # Debug only
			tu.penup()
			tu.goto(self.startcoords[i][0], self.startcoords[i][1])
			tu.pendown()
			tu.goto(self.endcoords[i][0], self.endcoords[i][1])
		tu.penup()
		if self.list_of_nodes is None:
			intersect = self.intersections(noprint=True)
		else:
			intersect = self.list_of_nodes
		tu.goto(intersect[node1][0], intersect[node1][1])
		tu.dot(10, "blue")
		tu.goto(intersect[node2][0], intersect[node2][1])
		tu.dot(10, "blue")
		for i in intersect:
			tu.goto(i[0], i[1])
			tu.dot(4, "red")
		tu.done()
		return "Plot complete"

def main():
    # to display the degree sign when printing results
    deg = u'\N{DEGREE SIGN}'

    turtle.setup(500, 500)                   # make window set size
    win = turtle.Screen()                    # refer to the screen as win
    win.title( "Triangles and Angles!")         # change the window title
    win.bgcolor( "#D3D3D3")               # change background color

    # get 3 X,Y coords from the user using eval( input())
    x1, y1, x2, y2, x3, y3 = eval( input( "Give 3 points: [e.g. 20, 20, 100, 200, 20, 200]  "))

    # compute the distances of all points
    a = distance( x1, y1, x2, y2)
    b = distance( x2, y2, x3, y3)
    c = distance( x1, y1, x3, y3)

    # round off 
    d1 = round( a * 100) / 100.0
    d2 = round( b * 100) / 100.0
    d3 = round( c * 100) / 100.0

    # make 3 seperate calls to determine_angle to find all angles opposite their sides
    angle_x = determine_angle( a,b,c)
    angle_y = determine_angle( b,c,a)
    angle_z = determine_angle( c,b,a)
    print( "The angles of the triangle are:")
    print( "\tAngle A: {:.2f}{}  \n\tAngle B: {:.2f}{}  \n\tAngle C: {:.2f}{}".format( angle_x,deg,angle_y,deg,angle_z,deg),end='\n\n')
    
    # draw the grid for the layout and referencing of plots
    draw_grid()
    draw_line( x1, y1, x2, y2, x3, y3, angle_x, angle_y, angle_z)
    
    turtle.done()

def viewer(dna):
	'''Display ORFs and GC content for dna.'''
   
	dna = dna.upper()      # make everything upper case, just in case
   
	t = turtle.Turtle()
	turtle.setup(1440, 240)                  # make a long, thin window
	turtle.screensize(len(dna) * 6, 200)     # make the canvas big enough to hold the sequence
	# scale coordinate system so one character fits at each point
	setworldcoordinates(turtle.getscreen(), 0, 0, len(dna), 6)
	turtle.hideturtle()
	t.speed(0)
	t.tracer(100)
	t.hideturtle()
   
	# Draw the sequence across the bottom of the window.
	t.up()
	for i in range(len(dna)):
		t.goto(i, 0)
		t.write(dna[i],font=("Helvetica",8,"normal"))
      
	# Draw bars for ORFs in forward reading frames 0, 1, 2.
	# Draw the bar for reading frame i at y = i + 1.
	t.width(5)              # width of the pen for each bar
	for i in range(3):
		orf(dna, i, t)
      
	t.width(1)              # reset the pen width
	gcFreq(dna, 20, t)      # plot GC content over windows of size 20
      
	turtle.exitonclick()

def drawBoard(b):
    #set up window
    t.setup(600,600)
    t.bgcolor("dark green")
    
    #turtle settings
    t.hideturtle()
    t.speed(0)
    
    num=len(b)
    side=600/num
    xcod=-300
    ycod=-300
    for x in b:
        for y in x:
            if(y> 0):
                drawsquare(xcod,ycod,side,'black')
            if(y< 0):
                drawsquare(xcod,ycod,side,'white')
            if(y==0):
                drawsquare(xcod,ycod,side,'dark green')
            
            xcod=xcod+side
        xcod=-300
        ycod=ycod+side

def main():
    bob = turtle.Turtle()
    turtle.title('Sun Figure')
    turtle.setup(800, 800, 0, 0)
    bob.speed(0)
    bobMakesASun(bob, 1, 'purple')
    turtle.done()

def main():
    turtle.setup(800, 350, 200, 200)
    turtle.penup()
    turtle.fd(-300)
    turtle.pensize(5)
    drawDate(datetime.datetime.now().strftime('%Y%m%d'))
    turtle.hideturtle()

    def __init__(self):
        # Janela sobre
        self.janSobre = None


        # Cor de fundo
        self.corFundo = "gray"


        turtle.screensize(1000, 700, self.corFundo)
        turtle.setup(width=1000, height=700)
        turtle.title("cidadeBela - Janela de desenho")


        turtle.speed(0)
        turtle.tracer(4)

        # Definindo variáveis globais
        self._tamPadrao = ""

        # Listas de prédios
        self.predios = ['Casa', 'Hotel']
        self.prediosProc = [ 'hotel', 'hotelInv', 'casa', 'casaInv' ]


        # Sorteando elementos
        self.sorteioPredios    = [["casa", 1], ["hotel", 1]]
        self.sorteioPrediosInv = [["casaInv", 1], ["hotelInv", 1]]


        #  Cores dos prédios
        self.coresHotel = ["076080190", "255255255", "167064057", "153204255", "000090245",
                           "201232098", "255058123", "010056150", "130255255", "255255000",
                           "255000000", "255127042", "000255000", "255170255", "000255170",
                           "212000255", "170255127", "127212255", "255127127", "255212085",
                           "212212255", "255255127", "222202144" ]
        self.coresCasa  = ['209187103', '115155225', '130047006', '255137111', '203229057',
                           '017130100', '025195159', '204057065', '194082255', '092221159',
                           '167045055', '238243030', '069241248', '000156228', '159094040',
                           '048033253', '040209239', '138164253', '190042177', '000122159',
                           '255255255', '253208201', '245228133']
        self.coresLoja  = ['255255255', '253208201', '245228133' ]

        #  Janelas dos prédios
        self.janelasHotel = janelas.janelasHotel
        self.janelasCasa  = janelas.janelasCasa
        self.janelasLoja  = janelas.janelasLoja
        self.janelasTodas = janelas.janelasTodas

        #  Tetos dos prédios
        self.tetosHotel = tetos.tetosHotel
        self.tetosCasa  = tetos.tetosCasa
        self.tetosLoja  = tetos.tetosLoja
        self.tetosTodas = tetos.tetosTodas

        #  Portas dos prédios
        self.portasHotel = portas.portasHotel
        self.portasCasa  = portas.portasCasa
        self.portasLoja  = portas.portasLoja
        self.portasTodas = portas.portasTodas