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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):
 """Build model object from a dict. Will be removed in v1.0"""

        warnings.warn(
            'from_dict is deprecated and will be removed in v1.0!',
            stacklevel=2)
        d = d or {}
        return cls(**d)