code: def pareto_data():
      return pd.DataFrame(
          [
              {"desc": " foo", "count": 10, "cum_pct": 15},
              {"desc": "bar", "count": 6, "cum_pct": 40},
              {"desc": "baz", "count": 3, "cum_pct": 75},
              {"desc": "biz ", "count": 1, "cum_pct": 100},
          ]
      )
  
imports: import getpass
  import os
  import random
  import string
  import unittest
  import numpy
  import pandas
  import pytest
  from pandas.tseries.offsets import Day
  from past.utils import old_div
  from six import PY3
label_desc: Use image node_id 20 for calling a global function with example usage: pareto_data() and returns: pd