How do I encrypt and decrypt files with Python fernet without getting TokenError

Certainly! The cryptography library in Python provides the Fernet symmetric key encryption. To encrypt and decrypt files using Fernet in Python, you can follow these steps.
First, you need to install the cryptography library if you haven't already:
Now, let's create a Python script with functions for encrypting and decrypting files using Fernet:
This script defines three functions: generate_key, load_key, encrypt_file, and decrypt_file. The main function demonstrates how to use these functions to encrypt and decrypt a file.
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