[Python example 2.28] The first example of Python programming drawing: five-pointed star ~ summary notes

A brief introduction to a little sea turtle, understanding the basic structure of the little sea turtle, and then drawing a five-pointed star.

import turtle                     #调用turtle值,即海龟值
turtle.setup(800,400,300,300)     #窗口左侧与屏幕左侧距离x为300，窗口顶侧与屏幕顶侧距离y为300，长为800，宽为400
turtle.penup()                    #抬起画笔，之后移动画笔不绘制形状
turtle.fd(-200)                   #后退200
turtle.pendown()                  #落下画笔，之后移动画笔将绘制形状
turtle.pensize(8)                 #设置画笔宽度
turtle.pencolor(1,0,0)            #设置画笔颜色，（r,g,b）对应RGB数值
for i in range(5):                #小海龟遍历循环5次
     turtle.fd(200)               #向小海龟当前行进方向前进200
     turtle.right(144)            #向右边旋转144°
turtle.done()                     #结束

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