KnowCardPython · HTTP & the Web
How do you send a custom header (e.g. a User-Agent) with urllib.request?
Answer locked. Get the free KnowCard app to reveal it — plus spaced-repetition review so it actually sticks.
More in HTTP & the Web
You call urllib.request.urlopen(url) for a page that returns HTTP 404. What happens?
What is the type of the value returned by reading a urlopen response?
```
import urllib.request
r = urllib.request.urlopen(url)
data = r.read()
```
You want to GET https://api.example.com/search with q="hello world" and lang="en". How should you build the URL?
Why is requests.get(url, params={...}) preferred over manually pasting the query string into the URL?
What do requests' r.content and r.text return, and when do you use each?
A web API returns JSON. What's the right way to get a Python dict from a urllib response?
Start learning today
Free to start — download the app or use it in your browser.