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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_pymatgen_molecule(cls, molecule):
 """Create an instance of the own class from a pymatgen molecule Args: molecule (:class:`pymatgen.core.structure.Molecule`):
 Returns: Cartesian: """

        new = cls(atoms=[el.value for el in molecule.species],
                  coords=molecule.cart_coords)
        return new._to_numeric()