code: def test_debc018_del_item_from_list():
      c1 = Component(id="1")
      c2 = Component(id="2")
      c3 = Component(id="3", children=[c1, c2])
      assert c3["1"] == c1
      assert c3["2"] == c2
      del c3["2"]
      with pytest.raises(KeyError):
          c3["2"]
      assert c3.children == [c1]
  
      del c3["1"]
      with pytest.raises(KeyError):
          c3["1"]
      assert c3.children == []
  
imports: import json
  import plotly
  import pytest
  from dash import __version__, Dash
  from dash import html
  from dash.development.base_component import Component
  from dash import dcc, Input, Output
label_desc: Use image node_id 19 for calling a global function with example usage: test_debc018_del_item_from_list() without return types