阿育王 发表于 2022-4-11 20:42:48

间谍译码

大神们帮帮忙我sololearn的一个 python题目,求帮忙,要求是英文的,要求如下:
You are a secret agent, and you receive an encrypted message that needs to be decoded. The code that is being used flips the message backwards and inserts non-alphabetic characters in the message to make it hard to decipher.

Task:
Create a program that will take the encoded message, flip it around, remove any characters that are not a letter or a space, and output the hidden message.

Input Format:
A string of characters that represent the encoded message.

Output Format:
A string of character that represent the intended secret message.

Sample Input:
d89%l++5r19o7W *o=l645le9H

Sample Output:
Hello World

isdkz 发表于 2022-4-11 21:03:46

import re
s = "d89%l++5r19o7W *o=l645le9H"
print(re.sub(r"[^a-zA-Z ]", "", s[::-1]))

阿育王 发表于 2022-4-11 21:09:00

isdkz 发表于 2022-4-11 21:03


有没有更常规的解法呢?

isdkz 发表于 2022-4-11 21:13:43

阿育王 发表于 2022-4-11 21:09
有没有更常规的解法呢?

s = "d89%l++5r19o7W *o=l645le9H"
result = ""
for i in s[::-1]:
    if "a" <= i <= "z" or "A" <= i <= "Z" or i == " ":
      result += i
print(result)

阿育王 发表于 2022-4-11 21:20:59

isdkz 发表于 2022-4-11 21:03


大神,求加微信好友哇{:10_254:}本人微信号553915465
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