code: def get_attribute_value(
          self, tag_name, attribute, format_value=False, **attribute_filter
      ):
          
  
          for value in self.get_all_attribute_value(
                  tag_name, attribute, format_value, **attribute_filter):
              if value is not None:
                  return value
docs: Return the attribute value in xml files which matches the tag name and the specific attribute
  
          :param str tag_name: specify the tag name
          :param str attribute: specify the attribute
          :param bool format_value: specify if the value needs to be formatted with packagename