code: def demo_col_html() -> hip.Experiment:
      COL1 = "<h1>col1</h1>"
      COL2 = "col_2"
      experiment = hip.Experiment.from_iterable(
          [
              {COL1: 1.0, COL2: 1},
              {COL1: 2.0, COL2: 2},
              {COL1: 3.0, COL2: 3},
          ]
      )
      experiment.parameters_definition[
          COL2
      ].label_html = "col<sub>2</sub>"
      return experiment
  
imports: import uuid
  import random
  import math
  import time
  import typing
  from .None import experiment
label_desc: Use image node_id 21 for calling a global function with example usage: demo_col_html() and returns: experiment