比较 if 语句不起作用？

debugcn 发表于 Dev

格雷斯

此代码不起作用，有什么帮助吗？主要问题是：

while True:
    x1 = input("what's a?")
    if x1 == a:
        delay("a is correct!")
        x2 = input("what's b?")
        if x2 == b:
            delay("you're correct!")
            delay("bye")
            break

这是完整的代码供参考：

from random import randint
from time import sleep
def delay(x):
    print(x)
    sleep(0.4)
delay("Welcome to the adding game")
delay("two numbers will be randomly generated")
delay("we'll call then a and b")
delay("We'll show you a+b first")
delay("then a-b")
delay("use that information to then determine the answer")
input("ready?")
a = randint(1,15)
b = randint(1,15)
print("a+b = ",a+b)
print("a-b = ",a-b)
print(a,b)
while True:
    x1 = input("what's a?")
    if x1 == a:
        delay("a is correct!")
        x2 = input("what's b?")
        if x2 == b:
            delay("you're correct!")
            delay("bye")
            break
        else:
            delay("wrong")
    else:
        delay("you're wrong")
        x3 = input("what's b?")
        if x3 == b:
            delay("that's correct!")
            delay("now use that info to figure out a")
        else:
            delay("wrong again")
            delay("look at the numbers and try again")

基里尔

input()返回一个字符串，并且a和b是整数，所以比较它们是行不通的。

x1 = int(input("what's a?")), 和x2和一样x3，将使比较按预期工作。

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