def get_profile_image_names(username):
 name = _make_profile_image_name(username)
 return {size: _get_profile_image_filename(name, size) for size in _PROFILE_IMAGE_SIZES}

def get_profile_image_names ( username ) : name = _make_profile_image_name ( username ) return { size : _get_profile_image_filename ( name , size ) for size in _PROFILE_IMAGE_SIZES }
returns a dict containing the filenames for a complete set of profile images .