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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, eas_from_nios):
 """Converts extensible attributes from the NIOS reply."""

        if not eas_from_nios:
            return
        return cls({name: cls._process_value(ib_utils.try_value_to_bool,
                                             eas_from_nios[name]['value'])
                    for name in eas_from_nios})