Merge pull request #174 from ikostan/main

Merge from master

Author: ikostan

atbash-cipher/atbash_cipher.py

@@ -21,9 +21,9 @@ def encode(plain_text: str) -> str:
     :returns: Encoded text (grouped in 5-character blocks when length >= 5).
     :rtype: str
     """
-    temp_txt: list[str] = [
+    temp_txt: str = "".join(
         _replace(char.lower()) for char in plain_text if char.isalnum()
-    ]
+    )
     return " ".join(
         "".join(temp_txt[i : i + 5]) for i in range(0, len(temp_txt), 5)
     )