现在装什么 Python 版本比较合适？ 截止到 2025 年，Python 的官方最新稳定版本是 3.12.x，而 3.13 已经进入稳定发布阶段（部分库的兼容性还在逐渐完善）。

16 juin 2012 · There are two operators in Python for the "not equal" condition - a.) != If values of the two operands are not equal, then the condition becomes true. (a != b) is true.

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

16 mars 2017 · 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 …

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 …

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

29 mars 2023 · 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 …

28 févr. 2021 · I've installed Python's latest version. However, when I write in command prompts python --version I get: Python was not found; run without arguments to install from the …

25 févr. 2012 · 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 …

20 déc. 2021 · 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 …