code: def test_debc014_set_item():
      c1a = Component(id="1", children="Hello world")
      c2 = Component(id="2", children=c1a)
      assert c2["1"] == c1a
  
      c1b = Component(id="1", children="Brave new world")
      c2["1"] = c1b
      assert c2["1"] == c1b
  
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 15 for calling a global function with example usage: test_debc014_set_item() without return types