code: def styler(df):
      return Styler(df, uuid_len=0)
  
imports: import gc
  import numpy
  import pytest
  from pandas import DataFrame, IndexSlice, Series
  import matplotlib
  from pandas.io.formats.style import Styler
label_desc: Use image node_id 3 for calling a global function with example usage: styler(df) and returns: Styler