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python turtlE

import turtle#draw first circleturtle.penup()turtle.goto(0,-200)turtle.pendown()turtle.circle(200)#draw second circleturtle.penup()turtle.goto(0,-150)turtle.pendown()turtle.circle(150)#draw third circleturtle.penup()turtle.goto...

>>> dir(turtle)['Canvas', 'Pen', 'RawPen', 'RawTurtle', 'Screen', 'ScrolledCanvas', 'Shape', 'TK', 'TNavigator', 'TPen', 'Tbuffer', 'Terminator', 'Turtle', 'TurtleGraphicsError', 'TurtleScreen', 'TurtleScreenBase', 'Vec2D', '_C...

1 import turtle #导入turtle模块 2 turtle.color("blue") #定义颜色 3 turtle.penup() #penup和pendown()设置画笔抬起或放下时是否绘制直线 4 turtle.goto(-110,-25) #初始位置以中心坐标为(0,0) 5 turtle.pendown() 6 turtle.circle(45) #绘制...

没区别啊,import的时候可以选择具体哪些类,如果import写了后面就不用写了,相当于是简写和全拼的区别

简介:turtle是一个简单的绘图工具。它提供了一个海龟,你可以把它理解为一个机器人,只听得懂有限的指令。 1.在文件头写上如下行,这能让我们在语句中插入中文 #-*- coding: utf-8 -*- 2.用import turtle导入turtle库 3.绘图窗口的原点(0,0)在...

turtle.hideturtle()

turtle.color(*args)Return or set pencolor and fillcolor. Several input formats are allowed. They use 0 to 3 arguments as follows: color() Return the current pencolor and the current fillcolor as a pair of color specification st...

画圆的函数如下 turtle.circle(radius, extent=None, steps=None)参数分别为半径、弧度和画圆弧线段的数量 半径为负,方向相反的原因可以看下turtle库的源代码 w = 1.0 * extent / steps w2 = 0.5 * w l = 2.0 * radius * math.sin(w2*math.pi/1...

画布(canvas) turtle.screensize(800, 600, "green") turtle.screensize() #返回默认大小(400, 300) 画笔控制命令: turtle.down() #移动时绘制图形,缺省时也为绘制 turtle.up() #移动时不绘制图形 turtle.pensize(width) #绘制图形时的宽度 turt...

import turtledef draw(x,y): turtle.clear() while True: turtle.forward(200) turtle.left(144) if abs(turtle.pos()) < 1: breakdraw(0,0)turtle.onscreenclick(draw)turtle.mainloop()

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