Deep Learning with Yacine. Understanding Caesar Cipher in Python. Posted: June 17, 2025 | Last updated: June 17, 2025. Deep learning project and theory videos every week!

Some ciphers have simple keys, others, complex ones. The key for a cipher used by Augustus Caesar, some 2,000 years ago, was simple enough: The receiver just had to shift the alphabet one position.

The Caesar cipher, named after Roman Emperor Julius Caesar is one of the earliest and most widely known ciphers. It is a simple form of a “substitution cipher” where you replace each letter of ...