def get_row_by_index(data_frame, index):
    """Returns all columns of a DataFrame for a given index.

    Args:
        data_frame (DataFrame): the Pandas DataFrame to use
        index (int): the index to access the DataFrame

    Returns:
        Series: a Pandas Series containing all cols at the given index
    """
    return data_frame.iloc[index]
    # ----------------------------------------------------- get_row_by_index()