Question

我在打开文本文件时需要帮助。由于某些原因，它似乎没有正常工作，我想知道是否有人可以指出任何错误，并告诉我如何解决它们。谢谢。

import time
import operator
import random

username=input("What is your name?")

usersClass = input("Which class are you in, 1, 2 or 3?")
print ("Welcome {} to the Math quiz, hope you have fun lets begin".format(username))

start = time.time()

def askquestion():
  score = 0
  opslist = {operator.add: "+", operator.sub: "-", operator.mul: "x"}
  num1,num2 = random.randint(1,10), random.randint(1,10)    
  ops = random.choice(list(opslist.keys()))                       
  ActualAnswer = (ops(num1,num2))                               
  score = 0
  print(num1,opslist[ops],num2)            
  userAns = (int(input("Answer the above")))
  if userAns == ActualAnswer:   
    print("Awesome, that's correct")
    return 1
  else:
    print("Incorrect sorry")
    score = score - 0
  return 0

totalScore = 0
for i in range (10):
  totalScore += askquestion()  

print ("Well done, you have completed the quiz")

print("your final score was " + str(totalScore))
if totalScore > 9:
    print("Great work! You got top marks!")
elif totalScore > 7:
   print("Good, try harder next time and you might get full marks!")
elif totalScore > 5:
    print("You did alright")
elif totalScore > 4:
    print("Are you not motivated.. c'mon")
else:
    print("Hmmm..dissapointing, however know you know what you need to work on")

end = time.time()
etime = end - start
timeTaken = round(etime)

if usersClass == 1:
    with open("class1.txt","a+") as f:
        f.write("{}:Scored {} in {} seconds".format(username,totalScore,timeTaken))

elif usersClass == 2:
    with open("class2.txt","a+") as f:
        f.write("{}:Scored {} in {} seconds".format(username,totalScore,timeTaken))

elif usersClass == 3:
    with open("class3.txt","a+") as f:
        f.write("{}:Scored {} in {} seconds".format(username,totalScore,timeTaken))

Answer 1

~~所以看起来你可能需要改变一些事情。您应该使用raw_input来捕获用户的输入。~~

您对userClass的if语句可能不会触发，因为它们正在查找int而不是输入中传递的数字的字符串。

您可以将这些输入转换为整数：usersClass = int（usersClass）或者您可以在if语句中的整数中添加引号：if usersClass ==＆＃34; 1＆＃34;：

另外，看起来你的第一个if语句中有一个无意的缩进。

编辑：刚刚意识到你可能正在使用Python3.x，不需要将输入更改为raw_input，因为它在Python3中不存在......我的错误。

Answer 2

你必须确保usersClass的价值不会低于1或大于3.你从来没有这样做，这就是为什么如果你输入一些没有数字的数字呢？为了满足这些条件，文件将无法打开或创建。

我没有理解score = score - 0最后一行之上askquestion的含义。这是什么意思？如果您不想更改变量的值，请不要这样做。

需要有关打开/创建文本文件的帮助

2 个答案: