Describe what you learned. Eventually I realized it wasn't my computer problem and even Python's problem it was me, I had no idea and I didn't know for the first time what l 'computer ? Computer system is a system created by human mind and known computers are very limited. I learned that if I don't speak properly to the computer there is no chance to communicate with or no language programming system understands me, I am completely lost and there is no way to communicate with the computer. Because python only understands what it has and how it plans to speak. Finally, I learned a lot of things from Python, one way or another, Python gradually becomes my friend with me. Another set of questions to consider in my learning