code: def from_json(cls, json):
          
          obj = cls(name=json['name'],
                    code=json['code'],
                    numeric_code=json['numeric_code'],
                    symbol=json['symbol'],
                    exponent=json['exponent'],
                    entities=json['entities'],
                    withdrawal_date=json['withdrawal_date'],
                    subunits=json['subunits'])
          return obj
docs: Create a Currency object from a JSON dump.