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 …

By "modern Python" I mean something that will run in Python 2.5 but be 'correct' for the Python 2.6 and Python 3.* way of doing things. And by "custom" I mean an Exception object that can …

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?

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...

Mar 29, 2023 · 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 如果Python出现错误，可以尝 …

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?

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.

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

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