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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 ensure_directory(directory):
 """ Create the directories along the provided directory path that do not exist. """

    directory = os.path.expanduser(directory)
    try:
        os.makedirs(directory)
    except OSError as e:
        if e.errno != errno.EEXIST:
            raise e