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    path segments of the old name will be pruned until either the
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    filenames is a list of the names of the non-directory files in dirpath.
    Note that the names in the lists are just names, with no path components.
    To get a full path (which begins with top) to a file or directory in
    dirpath, do os.path.join(dirpath, name).

    If optional arg 'topdown' is true or not specified, the triple for a
    directory is generated before the triples for any of its subdirectories
    (directories are generated top down).  If topdown is false, the triple
    for a directory is generated after the triples for all of its
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    (e.g., via del or slice assignment), and walk will only recurse into the
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    directories in dirnames have already been generated by the time dirnames
    itself is generated. No matter the value of topdown, the list of
    subdirectories is retrieved before the tuples for the directory and its
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    By default errors from the os.scandir() call are ignored.  If
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    systems that support them.  In order to get this functionality, set the
    optional argument 'followlinks' to true.

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        print(root, "consumes", end="")
        print(sum(getsize(join(root, name)) for name in files), end="")
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