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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, _dict):
 """Initialize a ConsumptionPreferencesCategory object from a json dictionary."""

        args = {}
        if 'consumption_preference_category_id' in _dict:
            args['consumption_preference_category_id'] = _dict.get(
                'consumption_preference_category_id')
        else:
            raise ValueError(
                'Required property \'consumption_preference_category_id\' not present in ConsumptionPreferencesCategory JSON'
            )
        if 'name' in _dict:
            args['name'] = _dict.get('name')
        else:
            raise ValueError(
                'Required property \'name\' not present in ConsumptionPreferencesCategory JSON'
            )
        if 'consumption_preferences' in _dict:
            args['consumption_preferences'] = [
                ConsumptionPreferences._from_dict(x)
                for x in (_dict.get('consumption_preferences'))
            ]
        else:
            raise ValueError(
                'Required property \'consumption_preferences\' not present in ConsumptionPreferencesCategory JSON'
            )
        return cls(**args)