SCREEN 2WINDOW (-300, -100)-(300, 100)PSET (-190, 20)PSET (-192, 22)PSET (-160, 20)LINE -(190, 90)CIRCLE (50, 50), 20PAINT (55, 55)
QB64(3)
原文：http://blog.csdn.net/myhaspl/article/details/50473879
