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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
-# pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+pen=turtle.Pen()
+# pen.penup()
+# pen.goto(0,0)
 # pen.write("hello,我叫徐俊亨！",font=("Times",30,"normal"))
 # pen.write("hello,我叫徐俊亨！",font=("Times",30,"normal"))
 # pen.hideturtle()
 # pen.hideturtle()
+# pen1=turtle.Pen()
+# pen1.penup()
+# pen1.goto(-100,100)
+# pen1.pendown()
+# pen1.left(45)
+# pen1.forward(100)
+# pen1.circle(50,180)
+# pen1.right(90)
+# pen1.circle(50,180)
+# pen1.forward(100)
+# pen1.hideturtle()
 # turtle.done()
 # turtle.done()
-pen1=turtle.Pen()
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-pen1.hideturtle()
+len=60
+pen.left(45)
+pen.forward(2*len)
+pen.circle(len,180)
+pen.right(90)
+pen.circle(len,180)
+pen.forward(2*len)
+pen.hideturtle()
 turtle.done()
 turtle.done()
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