We cover how we can work with files and how we can encrypt and decrypt entire files using the Transposition Cipher.
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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
