How to open python after downloading it

Opening method: 1. Command line mode; 2. Using integrated development environment (IDE); 3. Using Jupyter Notebook.

If you have installed Python, you can open the Python interpreter (Python shell) in the following way:

1. Command line mode:

   • On Windows, you can press Win R, type "cmd" and press Enter to open the command prompt.
   • On Mac OS or Linux, you can open the Terminal application.

   Then enter "python" in the command line or terminal and press Enter to open the Python interpreter.

2. Use an integrated development environment (IDE):
   If you have an integrated development environment (such as PyCharm, Visual Studio Code, Spyder, etc.) installed, you can open the corresponding IDE and create A new Python file, then write Python code in the file and execute it.

3. Using Jupyter Notebook:
   If you have Jupyter Notebook installed, you can start Jupyter Notebook by opening a terminal or command prompt, typing "jupyter notebook" and pressing Enter. Then open the Jupyter Notebook interface in the browser and create a new Python notebook to write and execute Python code.

No matter which method you choose, once you open the Python interpreter or integrated development environment, you can start writing and executing Python code.

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