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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 replace_coord(self, i):
 """Replace the coordinate for the data array at the given position Parameters i: int The number of the data array in the raw data (if the raw data is not an interactive list, use 0) Returns xarray.DataArray The data array with the replaced coordinate"""

        da = next(islice(self.data_iterator, i, i+1))
        name, coord = self.get_alternative_coord(da, i)
        other_coords = {key: da.coords[key]
                        for key in set(da.coords).difference(da.dims)}
        ret = da.rename({da.dims[-1]: name}).assign_coords(
            **{name: coord}).assign_coords(**other_coords)
        return ret