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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 fig_to_src(figure, image_format='png', dpi=80):
 """Convert a matplotlib figure to an inline HTML image. :param matplotlib.figure.Figure figure: Figure to display. :param str image_format: png (default) or svg :param int dpi: dots-per-inch for raster graphics. :rtype: str """

    if image_format == 'png':
        f = io.BytesIO()
        figure.savefig(f, format=image_format, dpi=dpi)
        f.seek(0)
        return png_to_src(f.read())

    elif image_format == 'svg':
        f = io.StringIO()
        figure.savefig(f, format=image_format, dpi=dpi)
        f.seek(0)
        return svg_to_src(f.read())