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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_dict(cls, d: Dict, fmt: str = None, **kwargs):
 """ Create a Lattice from a dictionary containing the a, b, c, alpha, beta, and gamma parameters if fmt is None. If fmt == "abivars", the function build a `Lattice` object from a dictionary with the Abinit variables `acell` and `rprim` in Bohr. If acell is not given, the Abinit default is used i.e. [1,1,1] Bohr Example: Lattice.from_dict(fmt="abivars", acell=3*[10], rprim=np.eye(3)) """

        if fmt == "abivars":
            from pymatgen.io.abinit.abiobjects import lattice_from_abivars

            kwargs.update(d)
            return lattice_from_abivars(cls=cls, **kwargs)

        if "matrix" in d:
            return cls(d["matrix"])
        else:
            return cls.from_parameters(
                d["a"], d["b"], d["c"], d["alpha"], d["beta"], d["gamma"]
            )