python - Why do some functions have underscores - Stack Overflow
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 …
What does -> mean in Python function definitions? - Stack Overflow
Jan 17, 2013 · In Python 3.5 though, PEP 484 -- Type Hints attaches a single meaning to this: -> is used to indicate the type that the function returns. It also seems like this will be enforced in …
syntax - Python integer incrementing with ++ - Stack Overflow
In Python, you deal with data in an abstract way and seldom increment through indices and such. The closest-in-spirit thing to ++ is the next method of iterators.
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. …
How can I check my python version in cmd? - Stack Overflow
Jun 15, 2021 · I has downloaded python in python.org, and I wanted to check my python version, so I wrote python --version in cmd, but it said just Python, without version. Is there any other …
python - What does the 'b' character do in front of a string literal ...
I don't think this applies to Python. I did find this documentation on the Python site about using a u character in the same syntax to specify a string as Unicode. Unfortunately, it doesn't mention …
python - SSL: CERTIFICATE_VERIFY_FAILED with Python3 - Stack …
Sep 2, 2017 · Go to the folder where Python is installed, e.g., in my case (Mac OS) it is installed in the Applications folder with the folder name 'Python 3.6'. Now double click on 'Install …
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 …
'python' is not recognized as an internal or external command
Closed 5 years ago. So I have recently installed Python Version 2.7.5 and I have made a little loop thing with it but the problem is, when I go to cmd and type python testloop.py I get the …
How to list all installed packages and their versions in Python?
Is there a way in Python to list all installed packages and their versions? I know I can go inside python/Lib/site-packages and see what files and directories exist, but I find this very awkward. ...