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 · 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 …

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?

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 …

Using 'or' in an 'if' statement (Python) [duplicate] Asked 7 years, 10 months ago Modified 2 months ago Viewed 162k times

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?

Jul 9, 2010 · In Python 3, generator is the default behavior Not sure if returning a list is still mandatory (or a generator would do as well), but passing a generator to the list constructor, will create a list out …

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

219 I am making a stopwatch type program in Python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input, …

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