用户选择在指定位置打印出不同的图形，如正立等腰三角形，倒立等腰三角形，矩形，正方形、菱形和多边形。图形由随机选择的*或者＃组成。-Printed at the specified location the user selects a different graphic, such as the legislation is being isosceles triangle, inverted isosceles triangle, rectangle, square, diamond, and