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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 AudioListing object from a json dictionary."""

        args = {}
        if 'duration' in _dict:
            args['duration'] = _dict.get('duration')
        if 'name' in _dict:
            args['name'] = _dict.get('name')
        if 'details' in _dict:
            args['details'] = AudioDetails._from_dict(_dict.get('details'))
        if 'status' in _dict:
            args['status'] = _dict.get('status')
        if 'container' in _dict:
            args['container'] = AudioResource._from_dict(_dict.get('container'))
        if 'audio' in _dict:
            args['audio'] = [
                AudioResource._from_dict(x) for x in (_dict.get('audio'))
            ]
        return cls(**args)