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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, other, inplace=None):
 """Update this dataset's variables with those from another dataset. Parameters other : Dataset or castable to Dataset Dataset or variables with which to update this dataset. inplace : bool, optional If True, merge the other dataset into this dataset in-place. Otherwise, return a new dataset object. Returns ------- updated : Dataset Updated dataset. Raises ------ ValueError If any dimensions would have inconsistent sizes in the updated dataset. """

        inplace = _check_inplace(inplace, default=True)
        variables, coord_names, dims = dataset_update_method(self, other)

        return self._replace_vars_and_dims(variables, coord_names, dims,
                                           inplace=inplace)