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#-*-coding:gb2312-*-import randomimport turtlet=turtle. Pen () T.color (' Blue ') Sc=t.getscreen () Sc.title ("Gzhu-computer Science & Educational Software") ################## # # #设定标准长度, used to adjust the size of the entire graph Len = 130#################### #def drawout (): #################### #描绘外环 t.shape (' turtle ') t.b Egin_fill () t.circle (Len) T.end_fill () t.color (' White ') t.up () t.lt (All) t.fd (len*0.17) t.rt (+) T.    Down () T.begin_fill () t.circle (len*0.83) T.end_fill () T.fillcolor (' Blue ') ################### #def DrawIn1 (): ################### #内部图形的大小设定 Dlen = 0.1*len ################### #画多边形的分步函数 def Ring (): T.FD (dlen*0.6) #开始画 Arrow t.lt (T.FD) (DLEN/2) t.rt (135) T.FD (Dlen) t.rt (All) t.fd (Dlen) t.rt (13 5) T.FD (DLEN/2) t.lt () t.fd (dlen*0.6) t.lt (+) T.FD (dlen*6) #开始多边形画长直线 ############ ####### #画多边形的总函数 def drawring (): Ring () t.lt ################### #进入内环, openThe beginning depicts the polygon T.color (' Blue ') t.up () t.lt (a) t.fd (dlen*1.8) T.down () t.lt () T.begin_fill () t.fd (dlen*6    ) #多边形长直线 t.lt (All) drawring () drawring () drawring () drawring () drawring () drawring () T.end_fill () ################### #去到E外面的环 t.fillcolor (' White ') t.lt (153) T.FD (len*0.18) t.rt (+) T.color (' White ') T. Begin_fill () t.circle (len*0.43) T.end_fill () ################### #调整E的大小eLen = len*0.6################### #画E的函数def Dr            AwE (angle): Def e (): T.FD (ELen) t.rt (All) t.fd (elen*0.3) t.rt (All) def e (): T.FD (elen*0.7) t.lt () t.fd (elen*0.2) t.lt (All) t.fd (elen*0.7) T.R        T (+) E () t.fd (elen*0.3) t.rt (+) e () t.fd (elen*0.2) t.rt (T.FD) ELen T.rt (T.FD) (elen*1.15) ##################### #开始画E t.color (' Blue ') t.up () if angle==1:t    . Circle (len*0.43,-90)T.lt (T.FD) (len*0.38) t.lt (All) t.fd (len*0.47) t.rt (123) T.down () T.begin_fill () E () T.end_fill () ##################### #################### #解决图像消失太快问题def Drawdelay (d): T.up () t.circle (d) #################### #t.    Speed (1) drawout () DrawIn1 () Drawe (0) t.ht () Drawdelay (+) T.clear () t.up () T.home () T.down () while True:sc.tracer (2) Drawout () t.circle (len*0.83,90) DrawIn1 () Drawe (1) sc.tracer (1) drawdelay (1) t.clear () t.up () T.ho Me () T.down () Sc.tracer (2) drawout () DrawIn1 () Drawe (0) sc.tracer (1) drawdelay (1) t.clear () t.u P () T.home () T.down () ######################

　　

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