jprocks101/Roblox-Username-Checker ? reverse-engineered prompt

Build me a simple Python tool that checks Roblox usernames for me.

I want to be able to either type in one username or load a list of usernames from a text file, then have the script tell me which ones are valid and available and which ones are not. If a username is good, save it to a valid.txt file. If it is invalid or taken, show a clear message in the console so I know why it failed.

Make the output easy to read, with colored text if that helps. It should work from the command line and be simple enough for me to run without much setup. Use the Roblox API to do the checking, and if you need to look up current docs online first, go ahead. I also want it to feel clean and straightforward, like a small utility I can reuse whenever I need to test usernames.