From c5ee8cb685cc726624e4a573ea22b2e42190ae42 Mon Sep 17 00:00:00 2001 From: Javier Pinilla Date: Tue, 13 Jun 2023 11:21:55 +0200 Subject: [PATCH] Reto #24 - Python --- .../python/ingjavierpinilla.py" | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 "Retos/Reto #24 - CIFRADO C\303\211SAR [F\303\241cil]/python/ingjavierpinilla.py" diff --git "a/Retos/Reto #24 - CIFRADO C\303\211SAR [F\303\241cil]/python/ingjavierpinilla.py" "b/Retos/Reto #24 - CIFRADO C\303\211SAR [F\303\241cil]/python/ingjavierpinilla.py" new file mode 100644 index 0000000000..4984df4c29 --- /dev/null +++ "b/Retos/Reto #24 - CIFRADO C\303\211SAR [F\303\241cil]/python/ingjavierpinilla.py" @@ -0,0 +1,39 @@ +import string + +ASCII_UPPERCASE = list(string.ascii_uppercase) + + +def encrypt(text: str, shift: int): + return caesar_cipher(text, shift, True) + + +def decrypt(text: str, shift: int): + return caesar_cipher(text, shift, False) + + +def caesar_cipher(text: str, shift: int = 3, operation: bool = True) -> str: + coded_text = "" + text = text.upper() + + for c in text: + if c not in ASCII_UPPERCASE: + coded_text += c + continue + _shift = shift if operation else shift * -1 + new_index = (ASCII_UPPERCASE.index(c) + _shift) % len(ASCII_UPPERCASE) + coded_text += ASCII_UPPERCASE[new_index] + return coded_text + + +if __name__ == "__main__": + text = str(input("Por favor ingrese el texto: ")) + shift = int(input("Por favor ingrese el desplazamiento: ")) + operation = int( + input("Por favor indique la operacion: \n1. Encriptar \n2. Desencriptar\n") + ) + if operation == 1: + print(encrypt(text=text, shift=shift)) + elif operation == 2: + print(decrypt(text=text, shift=shift)) + else: + print("Operación invalida")