code: def print_app_meta_data(self):
          
          l_metaData  = dir(self)
          l_classVar  = [x for x in l_metaData if x.isupper() ]
          for str_var in l_classVar:
              str_val = getattr(self, str_var)
              print("%20s: %s" % (str_var, str_val))
docs: Print the app's meta data.