TypeError:'set' 对象不支持索引

2022-01-17 00:00:00 python python-3.x set

问题描述

我刚刚在 Python 3.5 中做了一些随机的事情.用 15 分钟的空闲时间，我想出了这个:

I've just been doing some random stuff in Python 3.5. And with 15 minutes of spare time, I came up with this:

a = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
 "x", "y", "z"}
len_a = len(a)
list = list(range(0, len_a))
message = ""
wordlist = [ch for ch in message]
len_wl = len(wordlist)
for x in list:
    print (a[x])

但是那种随机成功的满足感并没有让我心烦意乱.相反，失败的感觉:

But that satisfying feel of random success did not run over me. Instead, the feeling of failure did:

Traceback (most recent call last):
File "/Users/spathen/PycharmProjects/soapy/soup.py", line 9, in  <module>
print (a[x])
TypeError: 'set' object does not support indexing

请帮忙

解决方案

试试方括号:

a = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
 "x", "y", "z"]

即:使用 list 而不是 set

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