code: def example_3_1():
      happy_qa = HappyQuestionAnswering()
      result = happy_qa.answer_question(
          "Today's date is January 10th, 2021", "What is the date?"
      )
      print(type(result))  # <class 'list'>
      print(
          result
      )  # [QuestionAnsweringResult(answer='January 10th, 2021', score=0.9711642265319824, start=16, end=34)]
      print(
          type(result[0])
      )  # <class 'happytransformer.happy_question_answering.QuestionAnsweringResult'>
      print(
          result[0]
      )  # QuestionAnsweringResult(answer='January 10th, 2021', score=0.9711642265319824, start=16, end=34)
      print(result[0].answer)
  
imports: from happytransformer import HappyQuestionAnswering, QATrainArgs, QAEvalArgs, QATestArgs
label_desc: Use image node_id 2 for calling a global function with example usage: example_3_1() without return types