
What does the "at" (@) symbol do in Python? - Stack Overflow
Jun 17, 2011 · 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 …
What does colon equal (:=) in Python mean? - Stack Overflow
Mar 21, 2023 · In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm …
Using or in if statement (Python) - Stack Overflow
Using or in if statement (Python) [duplicate] Asked 7 years, 5 months ago Modified 7 months ago Viewed 148k times
python - Iterating over dictionaries using 'for' loops - Stack Overflow
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 …
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. …
python - How should I use the Optional type hint? - Stack Overflow
Python 3.10 introduces the | union operator into type hinting, see PEP 604. Instead of Union[str, int] you can write str | int. In line with other type-hinted languages, the preferred (and more …
How can I make a Python script standalone executable to run …
Jan 24, 2017 · I'm building a Python application and don't want to force my clients to install Python and modules. So, is there a way to compile a Python script to be a standalone executable?
python - pip install fails with "connection error: [SSL: CERTIFICATE ...
Running mac os high sierra on a macbookpro 15" Python 2.7 pip 9.0.1 I Tried both: sudo -H pip install --trusted-host pypi.python.org numpy and sudo pip install --trusted-host pypi.python.org …
python - How to fix "'jupyter' is not recognized as an internal or ...
I have installed Jupyter on Windows 10, Python 3.x via $ pip install jupyter The installation works fine, even though I did restart the terminal. But trying to run $ jupyter notebook gives the
python - Find the current directory and file's directory - Stack …
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?