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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 from_file(cls, h5_file, country_code):
 """ Construct from an h5py.File and a country code. Parameters h5_file : h5py.File An HDF5 daily pricing file. country_code : str The ISO 3166 alpha-2 country code for the country to read. """

        if h5_file.attrs['version'] != VERSION:
            raise ValueError(
                'mismatched version: file is of version %s, expected %s' % (
                    h5_file.attrs['version'],
                    VERSION,
                ),
            )

        return cls(h5_file[country_code])