"while True:" 循环在一个循环后不返回任何内容

Question

这就是问题所在：我的 while 循环根本不重复，它只是在 Python 启动器中返回一个空行并且不继续执行代码，我在最后添加了一个打印函数来检查它是否只是跳过。 我使用了几种方法让代码重复，例如While True: 和While 0 == 0，所以我开始认为代码中的其他地方存在问题。有问题的代码是：

while True:
 while i <= dice_amount:
   dice_output = random.randint(0,dice_range)
   print("dice number ", i, " is ", dice_output)
   i +=1
 while input_answer == "unknown":
   input_answer = input("would you like to throw the dice again? Y/N")
   if input_answer == "N":
    time.sleep(2)
    os.exit
   elif input_answer != "Y":
    input_answer = "unknown"

print("code is broken") #to see if code just skips loop

This 是我尝试重复时发生的情况 非常感谢您的帮助，我只想说我是编码新手，所以我知道它可能没有被优化，但是说我如何优化它的评论会很有帮助。

一开始变量的定义如下：

dice_amount = int(input("how many times would you like to roll the dice?"))
dice_range = int(input("how many numbers would you like on the dice?"))
input_answer = "unknown"
i = 1

Answer 1

您需要在“while True”之后将 i 设置为 1，并在第二个内部循环之前将 input_answer 设置为“unknown”。更正代码：

while True:
 i = 1
 while i <= dice_amount:
   dice_output = random.randint(0,dice_range)
   print("dice number ", i, " is ", dice_output)
   i +=1
 input_answer = "unknown"
 while input_answer == "unknown":
   input_answer = input("would you like to throw the dice again? Y/N")
   if input_answer == "N":
    time.sleep(2)
    os.exit
   elif input_answer != "Y":
    input_answer = "unknown"

print("code is broken") #to see if code just skips loop

Answer 2

在阅读了其他 cmets 和答案后，我终于意识到了这个问题，我想出了这个修复方法。首先，我意识到如果没有答案是 Y 或 N，我不需要使用 input_answer，我只是将其设为重复循环，如果既不是 Y 也不是 N，它只是重复了问题，Y 打破了循环并且N 结束程序。如果回复是 Y，我添加 i = 1 以便重复。

这里是固定代码：

import random
import time
dice_amount = int(input("how many times would you like to roll the dice?"))
dice_range = int(input("how many numbers would you like on the dice?"))
i = 1

while True:
 while i <= dice_amount:
   dice_output = random.randint(0,dice_range)
   print("dice number ", i, " is ", dice_output)
   i +=1
 while True:
   input_answer = input("would you like to throw the dice again? Y/N")
   if input_answer == "N":
    time.sleep(2)
    os.exit
   elif input_answer == "Y":
    i = 1
    break