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 21, 2023 · What does the := operand mean, more specifically for Python? Can someone explain how to read this snippet of code? node := root, cost = 0 frontier := priority queue containing node only explored := 96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does decorator do in Python? Put it simple decorator allow you to modify a given function's definition without touch its innermost (it's closure). Python slicing is a computationally fast way to methodically access parts of your data. In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be familiar with. Apr 25, 2017 · What does the percentage sign mean in Python [duplicate] Asked 16 years, 4 months ago Modified 1 year, 11 months ago Viewed 351k times How do I call an external command within Python as if I had typed it in a shell or command prompt? 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? Dec 17, 2020 · I was trying to download a GUI, but the terminal kept giving me this error: Python was not found; run without arguments to install from the Microsoft Store, or disable this shortcut from Settings Jul 21, 2010 · 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 in mind when you answered this, because in Python 3 for key in my_dict.keys() will still have the same problem with changing the dictionary size during iteration. 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