save project

1.py

 import turtle
-# pen  = turtle.Pen()
-# pen.write("你好呀,\n我叫小明!",font=("Times",30"normal"))
+screen = turtle.Screen()
+screen.bgcolor("pink")
+pen = turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("你好呀,\n我叫小明!",font=("Times",30,"normal"))
 # turtle.done()
+len = screen.textinput("提示框","请输入一个数字")
+len = 100
 pen1 = turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
 # 画圆
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
+pen1.hideturtle()
 turtle.done()
\ No newline at end of file