The code editor I use would say something like syntax error ‘;’, expected ‘;’ and underline the character in red. That might lead to some head scratching as apparently the Greek character is literally the same, but with a different Unicode value.

Try phind.com, it’s free for now, and uses gpt-3.5 unlimited or gpt-4 limited to 25 requests per… 4 hours I think. Never ran out. It’s specialised for devs. So far the output is the best of bing AI, and Copilot chat that I’m testing.