在程序员的生涯中，我们大部分的工作都是在修改别人或者自己的代码。大多数程序员总是喜欢开发新的产品，然后修改代码也是一门艺术。(In the programmer's career, most of our work is in change others or your own code.Most programmers always like to develop new products, and then modify the code is also an art.)