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diy1.py

 # 利用write()帮助悟空给诺依回信吧
 import turtle
+len = 40
 screen = turtle.Screen()
 screen.bgcolor("light blue")
 pen = turtle.Pen()
@@ -11,12 +12,10 @@ pen1 = turtle.Pen()
 pen1.pencolor("pink")
 pen1.pensize(7)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen1.hideturtle()
-
-
 turtle.done()
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