code: def convert_dataframe_to_bool(df):
      bool_df = df.copy()
      for la in LANGS:
          bool_df[la] = df.lang == la
      return bool_df
  
imports: import argparse
  import json
  import pandas
  from utils import compute_subgroup_auc
label_desc: Use image node_id 1 for calling a global function with example usage: convert_dataframe_to_bool(df) and returns: bool_df