Python:需要一个缩进块

问题描述

我认为这里的所有内容都已正确缩进，但我在 else: 语句中收到 IndentationError: expected an indented block.我在这里犯了一个明显的错误吗?

I thought everything was properly indented here but I am getting an IndentationError: expected an indented block at the else: statement. Am I making an obvious mistake here?

def anti_vowel(text):
    new_string = ""
    vowels = "aeiou"
    for letter in text:
       for vowel in vowels:
           if (lower(letter) == vowel):
               #do nothing
           else:
               #append letter to the new string
               new_string += letter
    return new_string

推荐答案

Do nothing 转换为使用 pass 关键字来填充原本为空的块(这是不允许的)).有关详细信息，请参阅官方文档.

Do nothing translates to using the pass keyword to fill an otherwise empty block (which is not allowed). See the official documentation for more information.

def anti_vowel(text):
    new_string = ""
    vowels = "aeiou"
    for letter in text:
       for vowel in vowels:
           if (lower(letter) == vowel):
               #do nothing
               pass
           else:
               #append letter to the new string
               new_string += letter
    return new_string

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