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 …
python - How do I access command line arguments? - Stack Overflow
Closed 2 years ago. I use python to create my project settings setup, but I need help getting the command line arguments. I tried this on the terminal:
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.
python - `from ... import` vs `import .` - Stack Overflow
Feb 25, 2012 · I'm wondering if there's any difference between the code fragment from urllib import request and the fragment import urllib.request or if they are interchangeable. If they are …
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 create a list out …
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 - Why do some functions have underscores "__" before and …
May 24, 2024 · In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a convention used to indicate …
Python: pass arguments to a script - Stack Overflow
Apr 4, 2014 · You can use the sys module like this to pass command line arguments to your Python script.
python - How do I write JSON data to a file? - Stack Overflow
How do I write JSON data stored in the dictionary data to a file? f = open ('data.json', 'wb') f.write (data) This gives the error: TypeError: must be string or buffer, not dict
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 …