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）。

Mar 16, 2017 · In Python 3, the iteration has to be over an explicit copy of the keys (otherwise it throws a RuntimeError) because my_dict.keys() returns a view of the dictionary keys, so any change to my_dict …

I have this folder structure: application ├── app │ └── folder │ └── file.py └── app2 └── some_folder └── some_file.py How can I import a function from file.py, from within som...

Feb 25, 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 …

Nov 23, 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.

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

How do I add a new key to an existing dictionary? It doesn't have an .add () method.

Feb 28, 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 Microsoft Store, or …

How do I pad a numeric string with zeroes to the left, so that the string has a specific length?

The python cProfile and pstats modules offer great support for measuring time elapsed in certain functions without having to add any code around the existing functions.