caesar cipher python encrypt and decrypt

Опубликовано: 16 Март 2024
на канале: CodeKick

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the caesar cipher, named after julius caesar who is historically known to have used it, is a simple and classic encryption technique. it involves shifting the letters of the alphabet by a fixed number of positions. in this tutorial, we'll explore how to implement caesar cipher encryption and decryption in python.
let's start by creating a python function for encrypting a message using the caesar cipher.
this function takes two parameters: text is the message to be encrypted, and shift is the number of positions each letter should be shifted. it iterates through each character in the input text and performs the encryption based on whether the character is an alphabet letter or not.
now, let's create a function for decrypting a message encrypted using the caesar cipher.
the decryption function utilizes the encryption function with a negative shift value to reverse the encryption process. it takes the encrypted text and the original shift value to return the decrypted message.
now, let's use these functions to encrypt and decrypt a message.
replace the message and shift_value with your own values. this example will output the encrypted and decrypted messages.
feel free to experiment with different messages and shift values to see how the caesar cipher works. keep in mind that the caesar cipher is a basic encryption method and not suitable for secure applications.
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