code: def test_lcbc001_fast_input(dash_duo, manager):
      """
      Make sure that we settle to the correct final value when handling rapid inputs
      """
      lock = Lock()
      with setup_long_callback_app(manager, "app1") as app:
          dash_duo.start_server(app)
          dash_duo.wait_for_text_to_equal(
              "#output-1", "initial value", 15
          )
          input_ = dash_duo.find_element("#input")
          dash_duo.clear_input(input_)
  
          for key in "hello world":
              with lock:
                  input_.send_keys(key)
  
          dash_duo.wait_for_text_to_equal("#output-1", "hello world", 8)
  
      assert not dash_duo.redux_state_is_loading
      assert dash_duo.get_logs() == []
  
imports: import sys
  from multiprocessing import Lock
  import pytest
  from flaky import flaky
  from .utils import setup_long_callback_app
label_desc: Use image node_id 1 for calling a global function with example usage: test_lcbc001_fast_input(dash_duo, manager) without return types