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1.方形

import turtlet = turtle.Pen()for x in range(200):    t.forward(x)#向右移动x    t.left(90)#向左旋转九十度    #之后一直这样循环，直到x=199![在这里插入图片描述](https://img-blog.csdnimg.cn/202010311347557.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjIxMTI2OQ==,size_16,color_FFFFFF,t_70#pic_center)

效果图：

import turtlet = turtle.Pen()for x in range(100):    t.circle(x)#在当前位置绘制了一个半径为x的圆    t.left(91)#按道理90度，91是为了便于不断变大

3.带上颜色

import turtlet = turtle.Pen()t.pencolor("red")#笔颜色为红色for x in range(100):    t.forward(x)    t.left(91)

效果图：

4.多种颜色

import turtlet = turtle.Pen()colors = ["red", "yellow", "blue","green"]for x in range(100):    t.pencolor(colors[x%4])#%叫做模除操作符，依次选取四种颜色，记住这种模型就好了    t.forward(x)    t.left(91)

效果图：

import turtlet = turtle.Pen()turtle.bgcolor("black")#画图背景为黑色colors = ["red","yellow","blue","green"]for x in range(100):    t.pencolor(colors[x%4])    t.circle(x)    t.left(91)

6.控制边数

import turtlet = turtle.Pen()#拿起笔turtle.speed(9)turtle.bgcolor("black")#背景颜色# You can choose between 2 and 6 sides for some cool shapes!sides = 6#边数colors = ["red","yellow","blue", "orange","green","purple"]#颜色for x in range(360):    t.pencolor(colors[x%sides])#有多少边就除以几，每一边颜色一种    t.forward(x * 3/sides + x)#默认方向为右，每一次画完后    t.left(360/sides + 1)#这个1加不加影响不大，实际来说就应该360/6=60度旋转,+1是为帮助图不断变大    t.width(x*sides/200)#随着图越来越大，笔的宽度越来越大,width用来修改笔宽度

效果图：

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