code: def merge_true_table():
      
      writer = pd.ExcelWriter("True Table.xlsx")
      for p in Path(__file__).parent.select_by_ext(".csv"):
          df = pd.read_csv(p.abspath, index_col=0)
          df.to_excel(writer, p.fname, index=True)
      writer.save()
docs: Merge all true table into single excel file.