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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 data_vectors(self):
 """The per-sample data in a vector. Returns: dict: A dict where the keys are the fields in the record and the values are the corresponding arrays. Examples: energy=[-1, 1]) array([-1, 1]) Note that this is equivalent to, and less performant than: energy=[-1, 1]) array([-1, 1]) """

        return {field: self.record[field] for field in self.record.dtype.names
                if field != 'sample'}