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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 abs_path(rel_path):
 """Convert a path that is relative to the module from which this function is called, to an absolute path. Args: rel_path: str Path relative to the location of the module file from which this function is called. Returns: str : Absolute path to the location specified by ``rel_path``. """

    # noinspection PyProtectedMember
    return os.path.abspath(
        os.path.join(os.path.dirname(sys._getframe(1).f_code.co_filename), rel_path)
    )