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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 _render_value(self, val, context, delimiters=None):
 """ Render an arbitrary value. """

        if not is_string(val):
            # In case the template is an integer, for example.
            val = self.to_str(val)
        if type(val) is not unicode:
            val = self.literal(val)
        return self.render(val, context, delimiters)