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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 _get_opts_seaborn(self, opts, style):
 """ Initialialize for chart rendering """

        if opts is None:
            if self.chart_opts is None:
                opts = {}
            else:
                opts = self.chart_opts
        if style is None:
            if self.chart_style is None:
                style = self.chart_style
            else:
                style = {}
        return opts, style