GitHub CoPilot for me too. I've found it can be really good at auto completing or predicting what I'm going to need to do next.
A recent example was that I had code to pull in data from a temp sensor. It's a popular sensor so copilot knew I was working with temps and populated lines for converting from raw to C/F, etc.
It's also good at noticing which variables you've created and using them in its suggestions.
....and then other times it just mocks you when you ask it so do something like loop through all sensor values and it just adds a comment like