save project

diy1.py

@@ -12,13 +12,14 @@ pen.hideturtle()
 #画爱心
 #画爱心
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pencolor("red")
-len=60
+len=screen.textinput("提示","圆的半径")
+size=int(len)
 pen1.pensize(5)
 pen1.pensize(5)
 pen1.left(45)
 pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*size)
+pen1.circle(size,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(len, 180)
-pen1.forward(2*len)
+pen1.circle(size, 180)
+pen1.forward(2*size)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file