PEP 802 – Display Syntax for the Empty Set | peps.python.org
We propose a new notation, {/}, to construct and represent the empty set. This is modelled after the corresponding mathematical symbol ‘\emptyset’.| Python Enhancement Proposals (PEPs)
We propose a new notation, {/}, to construct and represent the empty set. This is modelled after the corresponding mathematical symbol ‘\emptyset’.| Python Enhancement Proposals (PEPs)
In this tutorial, you'll learn the difference between the string representations returned by .__repr__() vs .__str__() and understand how to use them effectively in classes that you define.| realpython.com
Counting down, seemingly without loops or recursion, in the language of the snakes| Joe's Blog
Operators| amaranth-lang.org
Performance of Python programs has been a major focus of development for the language over the [...]| LWN.net
In Python, all exceptions must be instances of a class that derives from BaseException. In a try statement with an except clause that mentions a particular class, that clause also handles any excep...| Python documentation
Here are a few tangentially-related ideas vaguely near the theme of| dotat.at
Source code: Lib/operator.py The operator module exports a set of efficient functions corresponding to the intrinsic operators of Python. For example, operator.add(x, y) is equivalent to the expres...| Python documentation
MP 136: I don't use it often, but I keep coming back to it. The walrus operator was introduced in Python 3.8, back in 2019. I haven't used it often over the last five years, but occasionally I find myself writing some code that looks a little verbose, and| Mostly Python
"All men are mortal, Socrates is a man, therefore Socrates is mortal."| www.sminez.dev
In Python, there are Bitwise Operators that are used to perform the bitwise calculations on the integer values.| GeekPython - Python Programming Tutorials
In this step-by-step tutorial, you'll learn what scopes are, how they work, and how to use them effectively to avoid name collisions in your code. Additionally, you'll learn how to take advantage of a Python scope to write more maintainable and less buggy code.| realpython.com
This class implements a DBAPI-compliant interface. It is what the| www.psycopg.org
Python is a bad fit for typical DevOps tasks.| Ilya's blog
st.session_state is a way to share variables between reruns, for each user session.| docs.streamlit.io
This section outlines high-level asyncio APIs to work with coroutines and Tasks. Coroutines, Awaitables, Creating Tasks, Task Cancellation, Task Groups, Sleeping, Running Tasks Concurrently, Eager ...| Python documentation
`as` is easy, convenient, and maybe not something to use| Anna Hope
Saagar Jha's website.| saagarjha.com
Source code: Lib/asyncio/events.py, Lib/asyncio/base_events.py Preface The event loop is the core of every asyncio application. Event loops run asynchronous tasks and callbacks, perform network IO ...| Python documentation
Mark functions as async. Call them with await. All of a sudden, your program becomes asynchronous – it can do useful things while it waits for...| tenthousandmeters.com
Author, Guido van Rossum,. This article explains the new features in Python 3.0, compared to 2.6. Python 3.0, also known as “Python 3000” or “Py3K”, is the first ever intentionally backwards incomp...| Python documentation
An Enum is a set of symbolic names bound to unique values. They are similar to global variables, but they offer a more useful repr(), grouping, type-safety, and a few other features. They are most ...| Python documentation
Source code: Lib/inspect.py The inspect module provides several useful functions to help get information about live objects such as modules, classes, methods, functions, tracebacks, frame objects, ...| Python documentation
Query the columns of a DataFrame with a boolean expression.| pandas.pydata.org
Source code: Lib/_collections_abc.py This module provides abstract base classes that can be used to test whether a class provides a particular interface; for example, whether it is hashable or whet...| Python documentation
>>>, The default Python prompt of the interactive shell. Often seen for code examples which can be executed interactively in the interpreter.,,..., Can refer to:- The default Python prompt of the i...| Python documentation
A simple statement is comprised within a single logical line. Several simple statements may occur on a single line separated by semicolons. The syntax for simple statements is: Expression statement...| Python documentation
Source code: Lib/doctest.py The doctest module searches for pieces of text that look like interactive Python sessions, and then executes those sessions to verify that they work exactly as shown. Th...| Python documentation
The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.,,,, Built-in Functions,,, A, abs(), aiter(), all(), a...| Python documentation
As part of my series on Python's syntactic sugar, I initially skipped tackling assignment expressions because I made them more complicated than I needed to in my head. 😅 But there is some key subtlety to unravelling them which may not be obvious. Let's start with a simple example of an| Tall, Snarky Canadian
Objects, values and types: Objects are Python’s abstraction for data. All data in a Python program is represented by objects or by relations between objects. (In a sense, and in conformance to Von ...| Python documentation
