I took the IBM prompt engineering intro course on EdX to get a taste of what prompt engineering is. The course was quick and easy to understand. They have you use IBM’s Watsonx for the assignments, which was fun to test a new tool. I paid for a certificate with the 3-week course, but a cert isn’t required to participate. Would recommend if you’re also curious: https://www.edx.org/learn/artificial-intelligence/ibm-introduction-to-prompt-engineering