"not defined" error in function referencing a class

[Exsul]

Question.py

class Question:
    def __init__(self, prompt, answer):
        self.prompt = prompt
        self.answer = answer

scratch.py

from Question import Question


question_prompts = [
    "What does nauta mean?\n(a) man\n(b) sailor\n(c) poet\n(d) farmer",
    "What does poeta mean?\n(a) man\n(b) sailor\n(c) poet\n(d) farmer",
    "What does agricola mean?\n(a) man\n(b) sailor\n(c) poet\n(d) farmer"
]

questions = [
    Question(question_prompts[0], "b"),
    Question(question_prompts[1], "c"),
    Question(question_prompts[2], "d")
]

def run_test(questions):
    score = 0
    for each_question in questions:
        answer = input(question.prompt)
        if answer == question.answer:
            score += 1
    print("You got " + str(score) + "/" + str(len(questions)) + " correct.")

run_test(questions)

I'm getting an error saying that "question.prompt" and "question.answer" are not defined, but I'm using the exact same code from this video tutorial, and it's not working for me.