save project

diy1.py

@@ -11,13 +11,14 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
-#添加变量赋值25
+len=screen.textinput("半径","半径")#
+a=int(len)#
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(a*2)#修改
+pen1.circle(a,180)#修改
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(a,180)#修改
+pen1.forward(a*2)#修改
 pen1.hideturtle()
 
 turtle.done()