code: def update_defaults(self, prop_value_dict):
          
  
          body = []
          for key in prop_value_dict:
              entry = {
                  'visualProperty': key,
                  'value': prop_value_dict[key]
              }
              body.append(entry)
  
          url = self.__url + 'defaults'
          requests.put(url, data=json.dumps(body), headers=HEADERS)
docs: Updates the value of one or more visual properties.
  
          :param prop_value_dict: Dictionary containing, for each visual property,
              the new value to use.