Encrypting and Decrypting Files - Cracking Codes with Python (part 11)

We cover how we can work with files and how we can encrypt and decrypt entire files using the Transposition Cipher. Read online: https://inventwithpython.com/cracking/chapter10.html Download source files from https://nostarch.com/crackingcodes/ ? Get the book Cracking Codes with Python: https://amzn.to/3DBzhmf ? FREE Skillshare 30-day trial: https://skillshare.eqcm.net/5b4ddL Time stamps: 0:00 - Introduction 0:10 - Writing our program to encrypt and decrypt files 6:54 - Opening files with the open() function 8:33 - Reading files with the read() function 8:47 - Writing files with the write() function 9:00 - Check if a file exists with os.path.exists() 9:33 - The lower() function 10:06 - The startswith() function 10:37 - Practice Questions 15:04 - Summary