code: def import_words(self, data_file):
      df = pd.read_excel(data_file, engine="openpyxl", nrows=5000)
      df = df[df["verify"] == "x"]
      for key, row in df.iterrows():
          token = row[0]
          pos = row[1]
          if token in self.data:
              senses = self.data[token]
              exist_pos = [s["tag"] for s in senses]
              if pos not in exist_pos:
                  self.data[token].append({"tag": pos})
          else:
              self.data[token] = [{"tag": pos}]
  
file_path: underthesea/underthesea/utils/col_dictionary.py
imports: from os import listdir
  from os.path import dirname, join
  import pandas
  import yaml
  from underthesea.file_utils import UNDERTHESEA_FOLDER
  from underthesea.utils.col_external_dictionary import Cache, VLSPDictionary
  from underthesea.utils.col_script import UDDataset
label_desc: Use image node_id 3 for calling the Dictionary obj's underlying member method code with example usage: obj.import_words(data_file) without return types