HTTP is a contract between client and server
A Python HTTP client sends requests using methods such as GET, POST, PUT, PATCH and DELETE. A request can contain a URL, query parameters, headers and a body; the server returns a status code, headers and possibly a response body.
Handle network failure explicitly
Network calls can fail because of timeouts, DNS problems, connection errors or server responses such as 404 and 500. Set timeouts and check status codes before trusting the response.
Protect credentials
API keys and access tokens should come from secure configuration rather than being hard-coded. Logs should never accidentally expose authorization headers or secret values.
Practice: write a function that performs a GET request with a timeout, validates the response and returns parsed JSON or a clear application error.
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