auto save

diy1.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-pen.dot(100,"blue")
+pen.penup()
+pen.goto(0,50)
+pen.pendown()
+pen.circle(-50,steps=3)
+pen.penup()
+pen.goto(-150,-70)
+pen.pendown()
+pen.goto(0,-170)
+pen.goto(150,-70)
+
+r=input("请输入圆的半径:")
+a=3.14
+d=r*2
+c=a*r*2
+S=a*r*r
+print(d)