在实际的项目开发中，我们经常需要将Python 和C两者结合起来编程，从而达到高效率的开发与运行的双赢 局面。这就要求我们学会如何在python 程序中调用C程序。本文的目标就是介绍在Ubuntu 系统中，实现python 调用C程序 的具体方法与步骤。

In the actual project development, we often need to combine Python and C programming, so as to achieve win-win situation of efficient development and operation. This requires us to learn how to call C programs in Python programs. The goal of this article is to introduce the specific methods and steps of Python calling C program in Ubuntu system.