docstr: Print information about the VQA annotation file.
  :return:
docstr_tok: ["Print","information","about","the","VQA","annotation","file",".",":","return",":"]
code: def info(self):
      """
      Print information about the VQA annotation file.
      :return:
      """
      for key, value in self.datset["info"].items():
          print("%s: %s" % (key, value))
  
file_path: lavis/lavis/common/vqa_tools/vqa.py
imports: import json
  import datetime
  import copy
label_desc: Use image node_id 3 for calling the VQA obj's underlying member method code with example usage: obj.info() without return types