{}
# ā Mini Project 14 ā Encryption Program š
# A simple substitution cipher ā maps every character to a random shuffled key.
import random
import string
# Build character set and shuffled key
chars = list(string.ascii_letters + string.digits +
string.punctuation + string.whitespace)
key = chars.copy()
random.shuffle(key)
# ENCRYPT
message = input("Enter a message to encrypt: ")
encrypted = "".join(key[chars.index(ch)] for ch in message)
print(f"\nš Encrypted : {encrypted}")
print(f"š Original : {message}")
# DECRYPT
secret_code = input("\nEnter the secret code to decrypt: ")
decrypted = "".join(chars[key.index(ch)] for ch in secret_code)
print(f"š Decrypted : {decrypted}")