def _print_pgfplot_libs_message(data):
    """Prints message to screen indicating the use of PGFPlots and its
    libraries."""
    pgfplotslibs = ','.join(list(data['pgfplots libs']))
    tikzlibs = ','.join(list(data['tikz libs']))
    print(70 * '=')
    print('Please add the following lines to your LaTeX preamble:\n')
    print('\\usepackage[utf8]{inputenc}')
    print('\\usepackage{fontspec}  % This line only for XeLaTeX and LuaLaTeX')
    print('\\usepackage{pgfplots}')
    if tikzlibs:
        print('\\usetikzlibrary{' + tikzlibs + '}')
    if pgfplotslibs:
        print('\\usepgfplotslibrary{' + pgfplotslibs + '}')
    print(70 * '=')
    return
