選択問題の問題集を作成する

import json

quizes = []
while True:
    question = input('問題を入力してください(nを入力すると終了します): ')
    if question == 'n':
        break
    a = input('選択肢 1: ')
    b = input('選択肢 2: ')
    c = input('選択肢 3: ')
    d = input('選択肢 4: ')
    answer = int(input('答えを1∼4で入力してください: '))
    quiz = {
        'question': question,
        'selections': [a, b, c, d],
        'answer': answer
    }
    quizes.append(quiz)

with open('quiz.json', 'w',encoding='utf-8') as f:
    json.dump(quizes, f, indent=4, ensure_ascii=False)

import random
import json

with open("quiz.json",encoding='utf-8') as f:
    quizes = json.load(f)
    random.shuffle(quizes)

print("START")
correct = 0
wrong = 0
for quiz in quizes:
    print(quiz["question"])
    for i, selection in enumerate(quiz["selections"], 1):
        print(f"  {i}: {selection}")
    your_answer = input(f"番号で回答してください(fを入力すると終了) ").strip()
    if your_answer == "f":
        break
    if your_answer == str(quiz["answer"]):
        print('◯')
        correct += 1
    else:
        print('×')
        wrong += 1

print()
print('結果:')
print(f'◯→{correct}')
print(f'×→{wrong}')
print(f'{(correct/(correct + wrong))*100}%')