def get_2pttype_for_dictkey(dictkey):
    """
    Convert key in blinding factor dictionary to sets of strings used
    in the fits file to designate which kind of 2pt function is being analyzed.
    """
    if dictkey == 'gal_gal_cl':
        return 'GPF','GPF'
    elif dictkey == 'gal_shear_cl':
        return 'GPF','GEF'
    elif dictkey == 'shear_shear_cl':
        return 'GEF','GEF'
    elif dictkey == 'gal_gal_xi':
        return 'GPR','GPR'
    elif dictkey == 'gal_shear_xi':
        return 'GPR','G+R'
    elif dictkey == 'shear_shear_xip':
        return 'G+R','G+R'
    elif dictkey == 'shear_shear_xim':
        return 'G-R','G-R'