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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 import turtle
+import random
+len=random(100,200)
 screen=turtle.Screen()
 screen=turtle.Screen()
 screen.bgcolor("light blue")
 screen.bgcolor("light blue")
 pen=turtle.Pen()
 pen=turtle.Pen()
@@ -13,11 +15,11 @@ pen1.pencolor("red")
 pen1.fillcolor("red")
 pen1.fillcolor("red")
 pen1.begin_fill()
 pen1.begin_fill()
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len)
+pen1.circle(len/2,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len/2,180)
+pen1.forward(len)
 pen1.end_fill()
 pen1.end_fill()
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()