code: def as_flattened_list(iterable: Iterable[Iterable[T]]) -> list[T]:
      """
      Return an iterable with one level flattened.
  
      >>> as_flattened_list((("blue", "red"), ("green", "yellow", "pink")))
      ['blue', 'red', 'green', 'yellow', 'pink']
      """
      return [e for i in iterable for e in i]
  
imports: from __future__ import annotations
  import copy
  import itertools
  import re
  import signal
  import warnings
  from datetime import datetime
  from functools import reduce
  from typing import TYPE_CHECKING, Any, Callable, Generator, Iterable, Mapping, MutableMapping, TypeVar, cast
  from lazy_object_proxy import Proxy
  from airflow.configuration import conf
  from airflow.exceptions import AirflowException, RemovedInAirflow3Warning
  from airflow.utils.module_loading import import_string
  from airflow.utils.types import NOTSET
label_desc: Use image node_id 10 for calling a global function with example usage: as_flattened_list(iterable) and returns: unknown