现在装什么Python的版本? - 知乎
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)。
What's the difference between "pip install" and "python -m pip …
Sep 9, 2014 · By using python -m pip install --upgrade pip, or py -m pip install --upgrade pip instead, the problem is avoided, because now the wrapper executable does not run - Python …
python - Iterating over a dictionary using a 'for' loop, getting keys ...
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 …
Using 'or' in an 'if' statement (Python) - Stack Overflow
Using 'or' in an 'if' statement (Python) [duplicate] Asked 7 years, 10 months ago Modified 2 months ago Viewed 161k times
How do I declare custom exceptions in modern Python?
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 …
How can I find where Python is installed on Windows?
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?
python - How can I add new keys to a dictionary? - Stack Overflow
Jun 21, 2009 · 6 I think it would also be useful to point out Python's collections module that consists of many useful dictionary subclasses and wrappers that simplify the addition and …
What does [:-1] mean/do in python? - Stack Overflow
Mar 20, 2013 · Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. and …
python - How do I list all files of a directory? - Stack Overflow
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 …
python - Extracting extension from filename - Stack Overflow
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.