Caesar/CaesarDecrypt.py at main · Atronicks/Caesar · GitHub

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import pyperclip

message = input("message to encrypt: ")

key = 13

mode = "decrypt"

SYMBOLS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890 !?."

translated = ""

for symbol in message:
    if symbol in SYMBOLS:
        symbolIndex = SYMBOLS.find(symbol)

        if mode == "encrypt":
            translatedIndex = symbolIndex + key
        elif mode == "decrypt":
            translatedIndex = symbolIndex - key

        if translatedIndex >= len(SYMBOLS):
            translatedIndex = translatedIndex - len(SYMBOLS)
        elif translatedIndex < 0:
            translatedIndex = translatedIndex + len(SYMBOLS)

        translated = translated + SYMBOLS[translatedIndex]
    else:
        translated = translated + symbol

print(translated)
pyperclip.copy(translated)
input()