Formatting mismatches have been haunting the field and silently harming performance for too long - 
it's time to put an end to them!
Advanced: Template writing tips
If you're unfamiliar with Jinja, we generally find that the easiest way to write a chat template is to first
write a short Python script that formats messages the way you want, and then convert that script into a template.
Remember that the template handler will receive the conversation history as a variable called messages.