|
- What does colon equal (:=) in Python mean? - Stack Overflow
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 implementation Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary:
- slice - How slicing in Python works - Stack Overflow
Python slicing is a computationally fast way to methodically access parts of your data In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be familiar with
- What does [:-1] mean do in python? - Stack Overflow
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 and on Google but to no avail
- python - `from . . . import` vs `import . ` - Stack Overflow
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 interchangeable, wh
- 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 concise) way to denote an optional argument in Python 3 10 and up, is now Type | None, e g str | None or list | None
- python - Iterating over a dictionary using a for loop, getting keys . . .
In Python 3, the iteration has to be over an explicit copy of the keys (otherwise it throws a RuntimeError) because my_dict keys() returns a view of the dictionary keys, so any change to my_dict changes the view as well
- python - How do I execute a program or call a system command? - Stack . . .
How do I call an external command within Python as if I had typed it in a shell or command prompt?
- How can I find where Python is installed on Windows?
I want to find out my Python installation path on Windows For example: C:\\Python25 How can I find where Python is installed?
|
|
|