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  1. 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 …

  2. 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 …

  3. 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

  4. 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 …

  5. 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. …

  6. 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 …

  7. 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?

  8. 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 …

  9. 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

  10. 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?