Create Decryption-python-code.py

Author: coder9051

Decryption-python-code.py

@@ -0,0 +1,25 @@
+# Create a function for Decryption algorithm
+def decrpyt_message(text, key):
+
+    decrypted_msg = "" # initially empty string is created
+
+    for char in text:    
+
+        if char.isupper(): # check character is uppercase
+            decrypted_msg += chr((((ord(char) - key) - 65) % 26) + 65)
+
+        elif char.islower(): # checks character is  lowercase
+            decrypted_msg += chr((((ord(char) - key) - 97) % 26) + 97)
+
+        else:
+            decrypted_msg += char # Number, spaces and special charcters are added as it is.
+
+    return decrypted_msg
+
+text = input("Please Enter your message: ") 
+key = int(input("Enter key value: "))
+
+print("Your message: ", text)
+
+decrpyted_message = decrpyt_message(text, key)
+print("The Decrypted message is: ", decrpyted_message)