"description": "Operations with users. The **login** logic is also here.",
                    },
                    {
                        "name": "items",
                        "description": "Manage items. So _fancy_ they have their own docs.",
                        "externalDocs": {
                            "description": "Items external docs",
                            "url": "https://fastapi.tiangolo.com/",

      looping.
  """
  default = environ_cp.get(var_name) or var_default
  full_query = '%s [Default is %s]: ' % (
      ask_for_var,
      default,
  )

  for _ in range(n_ask_attempts):
    val = get_from_env_or_user_or_default(environ_cp, var_name, full_query,
                                          default)
    if check_success(val):
      break
    if not suppress_default_error: