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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 _set_snps(self, snps, build=37):
 """ Set `_snps` and `_build` properties of this ``Individual``. Notes ----- Intended to be used internally to `lineage`. Parameters snps : pandas.DataFrame individual's genetic data normalized for use with `lineage` build : int build of this ``Individual``'s SNPs """

        self._snps = snps
        self._build = build