Merge branch 'add_ciphers' of https://github.com/Marzhal/Python into add_ciphers

Author: Marzhal

ciphers/scytale_cipher.py

@@ -1,25 +1,25 @@
 def encrypt_scytale_cipher(message: str, key: int) -> str:
     """
     Encrypts a message using the Scytale Cipher.
-    
+
     :param message: Text to encrypt.
     :param key: Number of rows (key).
     :return: Encrypted message.
     """
     message = message.replace(" ", "")  # Optional: remove spaces
-    ciphertext = [''] * key
+    ciphertext = [""] * key
 
     # Distribute characters across rows based on the key
     for i in range(len(message)):
         ciphertext[i % key] += message[i]
 
-    return ''.join(ciphertext)
+    return "".join(ciphertext)
 
 
 def decrypt_scytale_cipher(ciphertext: str, key: int) -> str:
     """
     Decrypts a message encrypted with the Scytale Cipher.
-    
+
     :param ciphertext: Encrypted text.
     :param key: Number of rows (key).
     :return: Decrypted message.
@@ -28,7 +28,7 @@ def decrypt_scytale_cipher(ciphertext: str, key: int) -> str:
     num_rows = key
     num_shaded_boxes = (num_cols * num_rows) - len(ciphertext)  # Extra unused boxes
 
-    plaintext = [''] * num_cols
+    plaintext = [""] * num_cols
     col = 0
     row = 0
 
@@ -37,11 +37,13 @@ def decrypt_scytale_cipher(ciphertext: str, key: int) -> str:
         plaintext[col] += char
         col += 1
         # Reset column and move to next row if end of column is reached
-        if (col == num_cols) or (col == num_cols - 1 and row >= num_rows - num_shaded_boxes):
+        if (col == num_cols) or (
+            col == num_cols - 1 and row >= num_rows - num_shaded_boxes
+        ):
             col = 0
             row += 1
 
-    return ''.join(plaintext)
+    return "".join(plaintext)
 
 
 # Example usage