save project

ooooooo.py

 import  turtle
 a=turtle.Pen()
+b=turtle.Screen()
+c=b.textinput("提示","输入半径")
 a.fillcolor("red")
 a.begin_fill()
 a.left(135)
-a.forward(100)
-a.circle(-50,180)
+a.forward(2*float(c))
+a.circle(-float(c),180)
 a.left(90)
-a.circle(-50,180)
-a.forward(100)
+a.circle(-float(c),180)
+a.forward(2*float(c))
 a.end_fill()
 a.penup()
 a.goto(-400,-200)
 a.write("1",font=("黑体",200,"normal"))
 a.penup()
 a.goto(200,-200)
-len=60
 turtle.done()
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