用於更高/更低游戲的嵌套循環

Question

import random

seedVal = int(input("What seed should be used? "))
random.seed(seedVal)

while (True):
    lower = int(input("What is the lower bound? "))
    upper = int(input("What is the upper bound? "))
    number = random.randint(min(lower, upper), max(lower, upper))

    if (lower >= upper):
        print("Lower bound must be less than upper bound.")

    else:
        guess = int(input("What is your guess? "))
        if (guess < number):
            print("Nope, too low.")

        elif (guess > number):
            print("Nope, too high.")

        elif (guess == number):
            print("You got it!")
            break

        else:
            print("Guess should be between lower bound and upper bound.")

到目前為止，這是我正在為我的腳本 class 編寫的更高/更低游戲的代碼。 我在測試時遇到的問題是：嵌套的 if/else 語句在錯誤猜測后返回到 while 循環的開頭，例如“不，太低了”。 我知道這就是 while 循環的工作原理； 但是，我無法弄清楚如何在不提示用戶輸入另一個下限/上限的情況下繼續執行 if/else 語句。 顯然，我最好的猜測是使用嵌套循環，我只是不知道在這種情況下如何使用。

Answer 1

您不需要嵌套循環，只需在不同的循環中設置上/下即可。

順便說一句，你永遠不會在最后到達else ，因為你不檢查值是否在界限內。

correct_boundaries = False
while not correct_boundaries:
    lower = int(input("What is the lower bound? "))
    upper = int(input("What is the upper bound? "))
    if (lower >= upper):
        print("Lower bound must be less than upper bound.")
    else:
        number = random.randint(min(lower, upper), max(lower, upper))
        correct_boundaries = True


while (True):

        guess = int(input("What is your guess? "))
        if (guess < number):
            print("Nope, too low.")

        elif (guess > number):
            print("Nope, too high.")

        elif (guess == number):
            print("You got it!")
            break

        else:
            print("Guess should be between lower bound and upper bound.")

Answer 2

只需將它們移出循環

import random

seedVal = int(input("What seed should be used? "))
random.seed(seedVal)

lower = int(input("What is the lower bound? "))
upper = int(input("What is the upper bound? "))
if (lower >= upper):
    raise ValueError("Lower bound must be less than upper bound.")

number = random.randint(min(lower, upper), max(lower, upper))

while (True):    
    guess = int(input("What is your guess? "))
    if (guess < number):
        print("Nope, too low.")
    elif (guess > number):
        print("Nope, too high.")
    elif (guess == number):
        print("You got it!")
        break
    else:
        print("Guess should be between lower bound and upper bound.")