text: from graphics import *
  
  def main():
      
      biglength=eval(input("What do you want the length of the big square to be? "))
      smalllength=0.5*biglength
      win=GraphWin("Just a couple of squares man",800,800)
      rect1=Rectangle(Point((800-biglength)/2,(800-biglength)/2),Point((800+biglength)/2,(800+biglength)/2))
      rect2=Rectangle(Point((800-smalllength)/2,(800-smalllength)/2),Point((800+smalllength)/2,(800+smalllength)/2))
      rect1.draw(win)
      rect2.draw(win)
      rect1.setFill("blue")
      rect2.setFill("yellow")
      win.close()
  main()