def read1Result(selectfile):
    """
    Loads in a bifacial_radiance results file ``.csv`` format,
    and return a :py:class:`~pandas.DataFrame`
    
    Parameters
    ----------
    selectfile : str
        File name (with path if not in working folder) that has been produced by
        bifacial_radiance.
    
    Returns
    -------
    resultsDF : :py:class:`~pandas.DataFrame`
        Dataframe with the bifacial_radiance .csv values read.
        
    """
    import pandas as pd
    resultsDF = pd.read_csv(selectfile)
    return resultsDF
