[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

@@ -72,7 +72,7 @@ def encrypt(text: str, shift: int) -> str:
 
     >>> encrypt('a lowercase alphabet', 5, 'abcdefghijklmnopqrstuvwxyz')
     'f qtbjwhfxj fqumfgjy'
-    
+
     >>> encrypt("abc", 1)
     'bcd'
     >>> encrypt("xyz", 3)