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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 loads(cls, json_data):
 """description of load"""

        try:
            return cls(**cls.MARSHMALLOW_SCHEMA.loads(json_data))
        except marshmallow.exceptions.ValidationError as exc:
            raise ValidationError("Failed to load message", extra=exc.args[0])