Turtle入门（实例）

实例一：

代码语言：javascript复制

import turtle
turtle.speed("fastest")
turtle.pensize(1)
color=["red","yellow","blue","green"]
for y in  range(250):
    turtle.pencolor(color[y%4])
    turtle.forward(3*y)
    turtle.right(29)
    turtle.left(175)

效果图：

实例二

代码语言：javascript复制

import turtle
t = turtle.Pen()
t.speed( 0 )
turtle.bgcolor( "black" )
colors = [ "red","orange","yellow","green","blue","purple","pink" ]
sides = int( turtle.numinput( "边数","请输入图形边数，1 到 8 之间：",4,1,8 ) )
your_name = turtle.textinput( "名字","请输入你的名字：" )
for x in range( 0,200):
    t.pencolor( colors[x%sides] )
    t.penup()
    t.forward( x*3/sides   x )
    t.pendown()
    t.write( your_name,font=( "宋体",int( (x 4)/4 ),"bold" ) )
    t.left( 360/sides   1 )
    t.width( x*sides / 200 )

效果图：

入门

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