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- python - Iterating over a dictionary using a for loop, getting keys . . .
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 you answered this, because in Python 3 for key in my_dict keys() will still have the same problem with changing the dictionary size during iteration
- 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 in the exc
- 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
- python - Module not found - No module named - Stack Overflow
My issue was that it was installed for Python, but not for Python 3 To check to see if a module is installed for Python 3, run: python3 -m pip uninstall moduleName After doing this, if you find that a module is not installed for one or both versions, use these two commands to install the module pip install moduleName python3 -m pip install
- python - Find the current directory and files directory - Stack Overflow
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?
- python . replace () regex - Stack Overflow
python replace () regex [duplicate] Asked 13 years, 5 months ago Modified 2 years, 11 months ago Viewed 1 1m times
- How to create a venv with a different Python version
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 Therefore, when creating a new venv for a new project, I would like to downgrade Python, say to 3 8, only for this specific venv How can I do that?
- How do I print colored text to the terminal? - Stack Overflow
I'll try and clarify a bit: Colorama aims to let Python programs print colored terminal text on all platforms, using the same ANSI codes as described in many other answers on this page On Windows, Colorama strips these ANSI characters from stdout and converts them into equivalent win32 calls for colored text
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