From 477c254b59f7d050846a5aed1995a5e7d24f2ae1 Mon Sep 17 00:00:00 2001 From: Rathan Raj Date: Sat, 11 Apr 2026 11:05:11 +0530 Subject: [PATCH] Fixed input validation bug --- Text_encryption.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Text_encryption.py b/Text_encryption.py index 2003f66..b062974 100644 --- a/Text_encryption.py +++ b/Text_encryption.py @@ -15,6 +15,9 @@ #ENCRYPT plain_text = input("Enter a message to encrypt: ") +if not plain_text.isalpha(): + print("Error: Only alphabets are allowed!") + exit() cipher_text = "" for letter in plain_text: @@ -26,6 +29,9 @@ #decrypt cipher_text = input("Enter a message to decrypt: ") +if not cipher_text.isalpha(): + print("Error: Only alphabets are allowed!") + exit() plain_text = "" for letter in cipher_text: