Lan Yijie

Lan Yijie is a senior software engineer and project manager who has long focused on and practiced the integrated use of data analysis and deep learning technologies. Publicly available information is limited, and details of his professional career and personal background have not been disclosed in depth, but his published works show that his writing is oriented toward practical application. He has spent years in development work involving Python-based data operations, master data projects, and big data analysis projects, with technical experience spanning both small data and big data. His representative works include Starting from Scratch: Data Analysis with Excel and Python, Python Big Data Analysis from Beginner to Mastery, and AI Prompt Engineering in Practice: Learning to Apply Large Language Models with Prompt Engineering from Scratch, most of which fall under programming design and general computing. These works follow a path from introductory to hands-on material, emphasizing the combination of tools and methods with real-world scenarios, and are suitable for readers who wish to systematically master data processing and prompt engineering skills.