这个是我自己作为一个新手做的一个小程序，是基于C语言编写的。可以做为普及教学的一个作用，对理清while函数的作用机制有关键的作用。-This is my own as a novice to do a small program, is based on the C language. It can be used as a universal teaching role, while the function of clarifying the mechanism has a key rol