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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 _get_dst_dir(dst_dir):
 """ Prefix the provided string with working directory and return a str. :param dst_dir: A string to be prefixed with the working dir. :return: str """

    wd = os.getcwd()
    _makedirs(dst_dir)

    return os.path.join(wd, dst_dir)