隨機選擇一個公式，並從列表中回答 - PYTHON

Question

我想創建一個數學遊戲，它隨機從我的列表中選擇一個問題並給出相應的答案。目前，我可以將問題隨機發現，但它從列表中依次給出答案，而不是與問題相對應的答案。 我如何得到答案是正確的隨機問題。 這是我的代碼。

import random 

counter = 0 
score = 0 
incorrect = 0 

name=input("What is your name?") 
print("Hi",name,",welcome to your math quiz!") 

questions = ["10*2","4-2","6+12","6*4","12-5","6+54","1*0","3-6","4+0","65-9"] 
answers=["20","2","18","24",'7','60','0','-3','4','56'] 

idx_questions = list(enumerate(questions)) 
idx_answers = list(enumerate(answers)) 

random.shuffle(idx_questions) 

for idxq, question in idx_questions: 
    print(question) 
    ans = input("What is the answer? ") 
    for idxa, answer in idx_answers: 
     if idxq == idxa and ans == answer: 
      print("Correct") 
      score=score+1 
      print("Correct Answers=",score) 
      print("Incorrect Answers=",incorrect) 

     elif idxq == idxa and ans != answer: 
      print("Incorrect", answers) 
      incorrect=incorrect+1 
      print("Correct Answers=",score) 
      print("Incorrect Answers=",incorrect) 

print("End of quiz") 
print(name,"your score is",score,"out of 10") 
print(score*10,"%") 

Answer 1

import random 

counter = 0 
score = 0 
incorrect = 0 

questions = ["10*2","4-2","6+12","6*4"] 
answers=["20","2","18","24"] 

idx_questions = list(enumerate(questions)) 
idx_answers = list(enumerate(answers)) 

random.shuffle(idx_questions) 

for idxq, question in idx_questions: 
    print(question) 
    ans = input("What is the answer? ") 
    for idxa, answer in idx_answers: 
     if idxq == idxa and ans == answer: 
      print("Correct") 
     elif idxq == idxa and ans != answer: 
      print("Incorrect") 

Answer 2

與您的代碼使用random.shuffle()功能的問題。

它以隨機方式將您的問題清單隨機混合（基本上是在列表中的元素之間進行交換），因此特定索引的相應答案與問題列表不匹配。

這個答案應該可以很清楚的：https://stackoverflow.com/a/976918/8750461

相反，你可能想使用q = random.choice(questions)得到一個隨機抽題，然後用answers[questions.index(q)]讓你對應的答案。

可能比這更優雅的解決方案，這只是一個快速的答案。

Answer 3

問題是你洗牌問題列表，而答案列表保持不變。所以，現在的答案和問題，有不同的立場，他們不匹配。相反，您應該在該索引處生成隨機索引並打印問題。

random_int = random.randint(0, len(questions)-1) 
print(question[random_int]) 

當然，你應該建立一些機制，以防止相同的答案彈出兩次。一種方法是刪除使用過的問題。

del questions[random_int] 
del answers[random_int]