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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_codes_and_metadata(cls, codes, categories, reverse_categories, missing_value):
 """ Rehydrate a LabelArray from the codes and metadata. Parameters codes : np.ndarray[integral] The codes for the label array. categories : np.ndarray[object] The unique string categories. reverse_categories : dict[str, int] The mapping from category to its code-index. missing_value : any The value used to represent missing data. """

        ret = codes.view(type=cls, dtype=np.void)
        ret._categories = categories
        ret._reverse_categories = reverse_categories
        ret._missing_value = missing_value
        return ret