code: def set_azure_secret_access_key(config_fpath, container, az_secret_access_key):
      
      key = AZURE_KEY_PREFIX + container
      return write_config_value_to_file(key, az_secret_access_key, config_fpath)
docs: Write the ECS access key id to the dtool config file.
  
      :param config_fpath: path to the dtool config file
      :param container: azure storage container name
      :param az_secret_access_key: azure secret access key for the container