code: def set_sail(self, angle):
          '''
          Set the angle of the sail to `angle` degrees
  
          :param angle: sail angle
          :type angle: float between -90 and 90
          '''
          angle = float(angle)
          request = self.boatd.post({'value': float(angle)}, '/sail')
          return request.get('result'f set_sail(self, angle):
          '''
          Set the angle of the sail to `angle` degrees
  
          :param angle: sail angle
          :type angle: float between -90 and 90
          '''
          angle = float(angle)
          request = self.boatd.post({'value': float(angle)}, '/sail')
          return request.get('result')
docs: Set the angle of the sail to `angle` degrees
  
          :param angle: sail angle
          :type angle: float between -90 and 90