import randomly
Import string

Characters /" /" String.Punctuation marks String.Numbers String.ASCII letters
Character list (characters)
Keycharacter.copy()

random.shuffle(key)

#ENCRYPTION
plain_text input(/"Enter a message to encrypt: /")
Ciphertext /"/"

for letter in plain text:
Index character.Index(letter)
Ciphertext Key[Index]

print(f/"original message: {Plain_Text}/")
print(f/"encrypted message: {cipher_text}/")

#DECIPHER
cipher_text input(/"Enter a message to encrypt: /")
Plain text /"/"

for letters in the ciphertext:
Index key.Index(letter)
Plaintext characters [Index]

print(f/"encrypted message: {cipher_text}/")
print(f/"original message: {Plain_Text}/")

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