[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

ciphers/caesar_cipher.py

@@ -4,6 +4,7 @@
 
 import pyfiglet
 
+
 def encrypt(input_string: str, key: int, alphabet: str | None = None) -> str:
     """
     encrypt
@@ -74,7 +75,7 @@ def encrypt(input_string: str, key: int, alphabet: str | None = None) -> str:
 
     # Create a shifted version of the alphabet by the key
     # This rotated alphabet will be used for mapping original characters to encrypted characters
-    shifted = alpha[key % len(alpha):] + alpha[:key % len(alpha)]
+    shifted = alpha[key % len(alpha) :] + alpha[: key % len(alpha)]
 
     # Create a translation table: original alphabet -> shifted alphabet
     table = str.maketrans(alpha, shifted)
@@ -96,8 +97,7 @@ def encrypt_file(
     alpha = alphabet or ascii_letters
 
     # Open input file for reading and output file for writing
-    with open(input_path, 'r') as fin, open(output_path, 'w') as fout:
-        
+    with open(input_path, "r") as fin, open(output_path, "w") as fout:
         # Read the input file line by line to avoid loading the entire file into memory
         for line in fin:
             # Encrypt the current line using the encrypt function
@@ -192,8 +192,7 @@ def decrypt_file(
     alpha = alphabet or ascii_letters
 
     # Open input file for reading and output file for writing
-    with open(input_path, 'r') as fin, open(output_path, 'w') as fout:
-        
+    with open(input_path, "r") as fin, open(output_path, "w") as fout:
         # Read the input file line by line to avoid loading the entire file into memory
         for line in fin:
             # Encrypt the current line using the encrypt function