[已解决]间谍译码

阿育王

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

最佳答案

月排行榜 / 总排行榜

isdkz

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？

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

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isdkz

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

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阿育王

isdkz 发表于 2022-4-11 21:03

有没有更常规的解法呢？

isdkz

阿育王 发表于 2022-4-11 21:09
有没有更常规的解法呢？

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

复制代码

阿育王

isdkz 发表于 2022-4-11 21:03

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