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 Meith 2012 · There's the != (not equal) operator that returns True when two values differ, though be careful with the types because "1" != 1. This will always return True and "1" == 1 will …

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

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

16 Márta 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 …

29 Márta 2023 · 1. Python修复无效的解决方法 在Python运行过程中，可能会因为各种原因导致Python出现错误。 如果修复Python安装后出现的问题，可以尝试以下方法： 1.1 重装Python …

28 Feabh 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 …

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?

23 Samh 2019 · 12 Extracting extension from filename in Python Python os module splitext () splitext () function splits the file path into a tuple having two values – root and extension.