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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 _normalize_file_path(file_path):
 """Normalize the file path value. :param str file_path: The file path as passed in :rtype: str """

        if not file_path:
            return None
        elif file_path.startswith('s3://') or \
                file_path.startswith('http://') or \
                file_path.startswith('https://'):
            return file_path
        return path.abspath(file_path)