walk() generates the file names in a directory tree by walking the tree either top-down or bottom-up.

<span>import</span> os.path
<span>for</span> path, directories, files <span>in</span> os.walk(<span>'path'</span>):
     <span>if</span> file <span>in</span> files:
          print(<span>'found %s'</span> % os.path.join(path, file))