How to use

1. Download cipher.py.
2. Open your terminal, and then navigate to the folder where cipher.py file is located.
3. Run python cipher.py. Follow the prompts to encrypt messages, or decrypt messages that were encrypted with the same key through a Vignére cipher.

Note: The script only works if the key is one word, or multiple words with no spaces. If a space is in the key, the script will throw an error.