From e17f5ccb51db8d506bbf95fad8fe481e4396e611 Mon Sep 17 00:00:00 2001
From: Kamalakar Satapathi <103712713+Sgvkamalakar@users.noreply.github.com>
Date: Mon, 23 Oct 2023 14:57:28 +0530
Subject: [PATCH] Create caesar_cipher_encoder__decoder.py

---
 python/caesar_cipher_encoder__decoder.py | 42 ++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 python/caesar_cipher_encoder__decoder.py

diff --git a/python/caesar_cipher_encoder__decoder.py b/python/caesar_cipher_encoder__decoder.py
new file mode 100644
index 0000000..c8ae0cf
--- /dev/null
+++ b/python/caesar_cipher_encoder__decoder.py
@@ -0,0 +1,42 @@
+def encrypt(text, n):
+    encrypted = ""
+    for char in text:
+        if char.isupper():
+            c = ord(char) + (n % 26)
+            if c > ord('Z'):
+                c -= 26
+        elif char.islower():
+            c = ord(char) + (n % 26)
+            if c > ord('z'):
+                c -= 26
+        else:
+            c = ord(char) + 1
+        encrypted += chr(c)
+    return encrypted
+
+def decrypt(text, n):
+    decrypted = ""
+    for char in text:
+        if char.isupper():
+            c = ord(char) - (n % 26)
+            if c < ord('A'):
+                c += 26
+        elif char.islower():
+            c = ord(char) - (n % 26)
+            if c < ord('a'):
+                c += 26
+        else:
+            c = ord(char) - 1
+        decrypted += chr(c)
+    return decrypted
+
+def main():
+    text = input("Enter a string: ")
+    n = int(input("Enter key: "))
+    encrypted_string = encrypt(text, n)
+    print("\nEncrypted text:", encrypted_string)
+    decrypted_string = decrypt(encrypted_string, n)
+    print("Decrypted text:", decrypted_string)
+
+if __name__ == "__main__":
+    main()