code: def _template_best():
      return (
          "<b>Best ID: %{customdata[0]}</b><br>"
          "value: %{customdata[1]}"
          "<extra></extra>"
      )
  
imports: import functools
  from collections.abc import Iterable
  import numpy
  import pandas
  import plotly.express
  import plotly.graph_objects
  from plotly.subplots import make_subplots
  import orion.analysis
  import orion.analysis.base
  from orion.algo.space import Categorical, Fidelity
  from orion.core.worker.transformer import build_required_space
label_desc: Use image node_id 15 for calling a global function with example usage: _template_best() and returns: str