As a developer, I want to use the code examples provided by the Wikidata Query UI in order to use the Wikidata Query Service from my tool/bot/script/whatever, without running afoul of any Wikimedia policies or service constraints.
**Problem:**
The code examples generated by the Wikidata Query UI do not set any special `User-Agent` header (except for the Perl example, which prepends “MyApp/0.1 ” to the [default user agent](https://metacpan.org/pod/LWP::UserAgent#agent)). This violates the [User-Agent policy](https://meta.wikimedia.org/wiki/User-Agent_policy) and can result in the script getting blocked (for example, [the default python-requests user agent is currently blocked completely](https://lists.wikimedia.org/pipermail/wikidata/2019-June/013161.html).)
**BDD**
GIVEN
AND
WHEN
AND
THEN
AND
**Acceptance criteria:**
* Every code example sets a custom user agent
* The code advises the developer to adjust that user agent further