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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def load_mplstyle():
 """Try to load conf.plot.mplstyle matplotlib style."""

    plt = importlib.import_module('matplotlib.pyplot')
    if conf.plot.mplstyle:
        for style in conf.plot.mplstyle.split():
            stfile = config.CONFIG_DIR / (style + '.mplstyle')
            if stfile.is_file():
                style = str(stfile)
            try:
                plt.style.use(style)
            except OSError:
                print('Cannot import style {}.'.format(style),
                      file=sys.stderr)
                conf.plot.mplstyle = ''
    if conf.plot.xkcd:
        plt.xkcd()