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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 pen = turtle.Pen()
+pen.speed(100)
 screen = turtle.Screen()
 screen.bgcolor("pink")
 pen.pensize(8)
 pen.pencolor("red")
-pen.fillcolor("purple")
+pen.fillcolor("yellow")
 pen.begin_fill()
 pen.left(45)
-pen.forward(100)
-pen.circle(50,180)
+len = 100
+pen.forward(2*len)
+pen.circle(len,180)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
+pen.circle(len,180)
+pen.forward(2*len)
 pen.end_fill()
 
 pen.penup()