code: def test_debc006_get_item_with_full_tree():
      c, c1, c2, c3, c4, c5 = nested_tree()
      keys = [k for k in c]
  
      assert keys == ["0.0", "0.1", "0.1.x", "0.1.x.x", "0.1.x.x.0"]
  
      # Try to get each item
      for comp in [c1, c2, c3, c4, c5]:
          assert c[comp.id] == comp
  
      # Get an item that doesn't exist
      with pytest.raises(KeyError):
          c["x"]
  
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 7 for calling a global function with example usage: test_debc006_get_item_with_full_tree() without return types