Question

INPUT = ["a","b","c","d","e","f","g","h","i","j","k"]
OUTPUT = ["20","21","22","23","24","25","26","27","28","29","30"]
TABLE = maketrans(INPUT, OUTPUT)
content = content.translate(TABLE)

TypeError：maketrans（）参数1必须是字符串或只读字符缓冲区，而不是列表

我想要的是，例如，如果string =＆＃34; a＆＃34;，则返回＆＃34; 20＆＃34;。

我无法将INPUT和OUTPUT转换为字符串，因为它们的大小不同。

什么是最有效的替代方案或调整？

Answer 1

使用izip_longest（Python 2.x）或zip_longest（Python 3.x）：

from itertools import izip_longest

INPUT = ["a","b","c","d","e","f","g","h","i","j","k"]
OUTPUT = ["20","21","22","23","24","25","26","27","28","29","30"]

string = 'a'   # string here

for i, o in izip_longest(INPUT, OUTPUT):
    if i == string:
        print(o)
# 20

列表的maketrans替代 - python 2.7

1 个答案: