Lena noticed that the logs for the team's new deployment tool were jagged and hard to read, so Mark suggested she write a helper to justify the text. She needs to ensure that every line of a message fills a fixed width exactly, distributing extra spaces between words as evenly as she can. Mark reminded her that if a line has only one word or if it’s the very end of the message, it should just stay left-aligned instead of being stretched out. For instance, in a sixteen-character window, the phrase “example of text” should be padded with just enough spaces so the final character of “text” sits flush against the right border.