code: def styler(df):
      return Styler(df, uuid_len=0, precision=2)
  
imports: from textwrap import dedent
  import numpy
  import pytest
  from pandas import DataFrame, MultiIndex, Series, option_context
  from pandas.io.formats.style import Styler
  from pandas.io.formats.style_render import _parse_latex_cell_styles, _parse_latex_css_conversion, _parse_latex_header_span, _parse_latex_table_styles, _parse_latex_table_wrapping
label_desc: Use image node_id 3 for calling a global function with example usage: styler(df) and returns: Styler