code: def set_attribute(self, session, attribute, attribute_state):
          
  
          try:
              sess = self.sessions[session]
          except KeyError:
              return StatusCode.error_invalid_object
  
          return sess.set_attribute(attribute, attribute_state)
docs: Sets the state of an attribute.
  
          Corresponds to viSetAttribute function of the VISA library.
  
          :param session: Unique logical identifier to a session.
          :param attribute: Attribute for which the state is to be modified. (Attributes.*)
          :param attribute_state: The state of the attribute to be set for the specified object.
          :return: return value of the library call.
          :rtype: VISAStatus