code: def read_config_environment(self, config_data=None, quiet=False):
          
  
          # Add all variables that start with KAGGLE_ to config data
  
          if config_data is None:
              config_data = {}
          for key, val in os.environ.items():
              if key.startswith('KAGGLE_'):
                  config_key = key.replace('KAGGLE_', '', 1).lower()
                  config_data[config_key] = val
  
          return config_data
docs: read_config_environment is the second effort to get a username
             and key to authenticate to the Kaggle API. The environment keys
             are equivalent to the kaggle.json file, but with "KAGGLE_" prefix
             to define a unique namespace.
  
             Parameters
             ==========
             config_data: a partially loaded configuration dictionary (optional)
             quiet: suppress verbose print of output (default is False)