def get_X_train(data, index_name):
    """
    Import the pandas-data and select and sliced it according the column-index-list

    Parameters
    ----------

    data: ndarray
        Pandas data-stream
    index_name: str-list
        Columns-Names for removing columns out the data-stream

    Returns
    ----------

    features: str-list
        feature-list of the not-selected column-names
    X_train: ndarray
        pandas.dataframe for X-dataset

    """

    features = [i for i in list(data.columns.values) if i not in index_name]
    X_train = data[features]
    return features, X_train