def next_question(self):
    'Get the next question by incrementing the question number'
    self.current_question = self.questions[self.question_no]
    self.question_no += 1
    q_text = self.current_question.question_text
    return f'Q.{self.question_no}: {q_text}'
Get the next question by incrementing the question number
def next_question(self):
    
    self.current_question = self.questions[self.question_no]
    self.question_no += 1
    q_text = self.current_question.question_text
    return f'Q.{self.question_no}: {q_text}'