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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 update(self, **kwargs):
        '''Update the model arguments with additional arguments.

        Args:
            kwargs (dict): Optional keyword arguments to add to prior args.
        '''

        # Backends expect numpy arrays, so make sure all numeric values are
        # represented as such.
        kwargs = {k: (np.array(v) if isinstance(v, (int, float)) else v)
                  for k, v in kwargs.items()}
        self.args.update(kwargs)