os.walk() in Python

How to traverse file system in Python ? Suppose we have given below file structure in our system and we want to traverse all it’s branches completely from top to bottom ?
Example file system

How does os.walk() work in python ?

OS.walk() generate the file names in a directory tree by walking the tree either top-down or bottom-up. For each directory in the tree rooted at directory top (including top itself), it yields a 3-tuple (dirpath, dirnames, filenames).

  • root : Prints out directories only from what you specified.
  • dirs : Prints out sub-directories from root.
  • files : Prints out all files from root and directories.
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# Driver function
import os
if __name__ == "__main__":
    for (root,dirs,files) in os.walk('Test', topdown=true):
        print root
        print dirs
        print files
        print '--------------------------------'

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Output:



Output

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