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  1. 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 in mind when …

  2. What's the difference between "pip install" and "python -m pip install ...

    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 (and possibly also …

  3. python - How do I list all files of a directory? - Stack Overflow

    Jul 9, 2010 · How can I list all files of a directory in Python and add them to a list?

  4. How do I declare custom exceptions in modern Python?

    By "modern Python" I mean something that will run in Python 2.5 but be 'correct' for the Python 2.6 and Python 3.* way of doing things. And by "custom" I mean an Exception object that can include extra …

  5. How can I access environment variables in Python?

    How can I access environment variables in Python? Asked 14 years, 10 months ago Modified 1 year, 10 months ago Viewed 3.5m times

  6. python - How can I add new keys to a dictionary? - Stack Overflow

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

  7. python - Importing files from different folder - Stack Overflow

    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...

  8. How to create a venv with a different Python version

    Dec 20, 2021 · 100 I have different venvs in my machine in which I have Python 3.10. Now for a specific project, I realised that Python 3.10 is not suitable as some libraries are still not compatible. …

  9. 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?

  10. 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.