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  1. 如何系统地自学 Python? - 知乎

    2019年10月23日 · Python初学者的法宝,如果你想下载Python,最好还是在这个网址去下,不要想着用一些不明来源的安装包。 在这里,你不仅可以下载各种版本的Python源代码和安装程 …

  2. 现在装什么Python的版本? - 知乎

    2025年6月15日 · 现在Python和Pychatm主流用哪个版本? 一般来说,新项目选 Python 版本时,可以选择最新版本的上一个版本。最新版有些库可能支持不好 (特别是 3.13 改了些 gil 相关 …

  3. How can I find where Python is installed on Windows?

    2009年3月15日 · I want to find out my Python installation path on Windows. For example: C:\\Python25 How can I find where Python is installed?

  4. Iterating over a dictionary using a 'for' loop, getting keys

    2017年3月16日 · Why is it 'better' to use my_dict.keys() over iterating directly over the dictionary? Iteration over a dictionary is clearly documented as yielding keys. It appears you had Python 2 …

  5. Python修复不了也卸载不掉也安装不了怎么办? - 知乎

    2023年3月29日 · 确保删除了Python的所有文件和文件夹。 重新安装Python,确保使用正确版本的Python,并按照正确的步骤进行安装。 1.3 使用pip检查和更新包 如果Python出现错误,可能 …

  6. python - Find the current directory and file's directory - Stack ...

    How do I determine: the current directory (where I was in the shell when I ran the Python script), and where the Python file I am executing is?

  7. python - `from ... import` vs `import .` - Stack Overflow

    2012年2月25日 · I'm wondering if there's any difference between the code fragment from urllib import request and the fragment import urllib.request or if they are interchangeable. If they are …

  8. How do I declare custom exceptions in modern Python?

    How do I declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include …

  9. Using 'or' in an 'if' statement (Python) - Stack Overflow

    Using 'or' in an 'if' statement (Python) [duplicate] Asked 7 years, 11 months ago Modified 3 months ago Viewed 163k times

  10. How to create a venv with a different Python version

    2021年12月20日 · 101 I have different venvs in my machine in which I have Python 3.10. Now for a specific project, I realised that Python 3.10 is not suitable as some libraries are still not …