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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def decompress_dir(path):
 """ Recursively decompresses all files in a directory. Args: path (str):
 Path to parent directory. """

    for parent, subdirs, files in os.walk(path):
        for f in files:
            decompress_file(os.path.join(parent, f))