save project

diy1.py

-len=100
+
 import turtle
 screen=turtle.Screen()
 screen.bgcolor('red')
+a=screen.textinput("提示","多大？")
+len=int(a)
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
 pen.write("hi",font=("Time",20,"normal"))
 pen.hideturtle()
+
 pen1=turtle.Pen()
 pen1.left(45)
 pen1.forward(2*len)