Forget writing full functions for simple tasks! This demonstration reveals the power of Python's *lambda functions*—the ultimate inline trick for saving space and boosting execution speed. See how a simple `lambda x: x * 2` can map and transform an entire list in one unbelievably clean line. If you're aiming for faster, cleaner code, this is the concept you need in your toolkit for serious efficiency gains. #Python #CodingHacks #Lambda #ProgrammingTips #DataScience