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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 get_cart_coords(self):
 """ Return the cartesian coordinates of the molecule """

        def to_s(x):
            return "%0.6f" % x

        outs = []
        for i, site in enumerate(self._mol):
            outs.append(" ".join([site.species_string,
                                  " ".join([to_s(j) for j in site.coords])]))
        return "\n".join(outs)