If you said no, you're right. It's a kind of run-on sentence or "run-together sentence." It's an example of a comma splice. That's when you join two sentences with a comma. And that's wrong, at least ...

You can get Samuel Beckett’s most famous comma splice (absent commas) on a T-shirt or coffee mug Because the conventions for their use are so variable, commas can provide a quick sense of a writer’s ...

While we all slip up from time to time, there are some basic punctuation mistakes you should never make in formal writing. For example, don't confuse "it's" and "its," don't use an apostrophe to ...