401 Unauthorized using oauth python twitter

In this tutorial, we'll explore how to handle a 401 Unauthorized error when using the oauth-python-twitter library to interact with the Twitter API. This error typically occurs when there are issues with the OAuth authentication process, and it's essential to understand how to diagnose and resolve it. We'll provide you with a step-by-step guide and code examples to help you navigate through this situation.
Before getting started, you'll need to have the following prerequisites:
The HTTP status code 401 Unauthorized indicates that your request lacks proper authentication credentials or that the provided credentials are invalid. This error often occurs when you're using the Twitter API and the OAuth authentication process fails.
To use the Twitter API, you need to authenticate your requests using OAuth credentials. You should have the following keys and tokens ready:
Next, you'll want to make an authenticated request to the Twitter API. For example, let's fetch the user's timeline:
If your request results in a 401 Unauthorized error,