第9课：绘制中国福字 列表(自由创编)课件 Python创意编程.pptx

福列表

02CONTENTS1指令记忆

problems问题引入小海龟是怎么画出不连续的线段的？海龟先直走；然后抬笔，再直走；落笔，直走，重复几次就可以形成了不连续线段（虚线）

02CONTENTS2实例演示

importturtleastt.goto(0,0)t.speed(0)t.delay(0)t.pendown()anglelist=[30,60,90,120,150,180]colorlist=[red,orange,yellow,green,blue,purple]foriinrange(180):t.forward(i)t.pencolor(colorlist[i%6])t.left(anglelist[1])

importturtleturtle.speed(0)turtle.delay(0)#Setuptheturtlescreenturtle.bgcolor(black)turtle.title(DynamicDesignwith东辰)#Functiontodrawadynamicpatterndefdraw_dynamic_pattern():colors=[red,orange,yellow,green,blue,indigo,violet]for_inrange(72):turtle.pencolor(colors[_%len(colors)])turtle.forward(_)turtle.right(45)#Drawthedynamicpatterndraw_dynamic_pattern()#Moveturtletoanewpositiontowrite东辰turtle.penup()turtle.goto(-20,-50)turtle.pendown()turtle.color(white)turtle.write(东辰,font=(Arial,16,bold))#Hidetheturtleturtle.hideturtle()#Keepthewindowopenturtle.done()

02CONTENTS4小码当家

1取余的认识样例网址：/python/

同学们再见！