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# Web Site Writing Basics # Pythonprogramming # python # nodejs

In the website, both Python (Flask / Django) and Node.js (Express / NestJS) are the best in the Backend, but there are clearly different characters and methods of operation, as if to use different types of cars to suit the route. 1. The Generalities are a Server-side language (Backend): Use to manage databases, make APIs, check the Login system, and process the Logic backyard. Community is strong: Both have a lot of libraries (pantry) to choose from. Do not write all their own code. Deploy is supported on the Cloud: both Python and Node.js can run on Vercel, Heroku, or Docker without problems. 2. Differences Python (the one you use) Node.js Python-based language (easy to read, like English) JavaScript (the same language as the home page) Highlights Data & Logic: Good at handling data, AI, and complex tasks Speed & Real-time: Very fast in tasks that require large amounts of data concurrency Synchronous: Work step by step (wait for the first step before going on) Asynchronous: Multitasking without waiting (Non-blocking) Learning is easiest for newbies. Code is clean and tidy. If the JavaScript basics are tight, it can be capped very quickly 3. When to choose which one? Pick Python when...You want simplicity and stability (like the Peemai Shop project that extracts data from GAS), a Data Analysis project, or a Machine Learning involved, you want to complete the code quickly, easily read, easy to maintain in the long run, choose Node.js when...Want to do Real-time systems such as Chat, Push Notification, websites with huge numbers of simultaneous access (high Scalability), you want to use a single language (JavaScript), write both the front of the house (React / Vue) and the back of the house for speed of development 4. In the view of the Peemai Shop project, retrieve data from Google Sheets as you do: Python (Flask) is the "smart and appropriate" choice. This work does not require the millisecond speed of Real-time Chat, but requires accurate JSON data management and stable API connectivity. Python does this very well. Compare simply: Python is like a premium chef who cooks meticulously, accurately and reliably. Node.js is like a Fast Food store with a belt system. Focus on speed and deliver food to many customers at the same time in a short time.