在if语句中中断for循环 [英] Break for loop in an if statement

问题描述

当前在中断此for循环时遇到麻烦.如果要在此列表中找不到该变量，我想中断它，以便它可以移动另外两个for循环.它期望在for循环的顶部有一个缩进的块，但是如果我更改break或for循环的开始的位置，则它不起作用.救命！

Currently having trouble with breaking this for loop. I want to break it if the variable is not found in this list so it can move two another for loop. It expects an indented block for the top of the for loop, but if I change the position of the break or of the start of the for loop, it doesn't work. Help!

while cyclenumb <= 10000:

    for x in userpassword[k]:
        for z in lowercaselist:
            if x in z:
                newpasswordlist.append(z)
                k +=1
                break
        else:

    for x in userpassword[k]:
        for z in uppercaselist:
            if x in z:
                newpasswordlist.append(z)
                k +=1
                break
        else:

推荐答案

您需要分别跳出每个循环，就像人们在对您的问题的评论中提到的那样，break仅停止其所在的循环

You'll need to break out of each loop separately, as people have mentioned in the comments for your question, break only stops the loop which it's in

for x in userpassword[k]:
    for z in lowercaselist:
        if x in z:
            newpasswordlist.append(z)
            k +=1
            break

     if x in z: # added an extra condition to exit the main loop
        break

您需要针对两个循环

如果您也想退出while循环，则可以在该循环中添加if x in z: break asp

If you want to break out of the while loop as well, then you can add if x in z: break in that loop aswel

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