Uemerson / pytricks

PyTricks 🐍

PyTricks 🐍

In this repository I keep some tricks that are allowed in the Python language ❤

List of all scripts

The following is a list of all the scripts in this repository, open them to see the tricks:

• Python's shorthand for in-place value swapping

• Merging two dicts in Python 3.5+ with a single expression

• Different ways to test multiple flags at once in Python

• How to sort a Python dict by value

• The get() method on Python dicts and its "default" arg

• Python's namedtuples can be a great alternative to defining a class manually

• You can use "json.dumps()" to pretty-print Python dicts

• Function argument unpacking in Python

• Measure the execution time of small bits of Python code with the "timeit" module

• "is" vs "=="

• Functions are first-class citizens in Python

• Dicts can be used to emulate switch/case statements

• Type annotations

• Python's list slice syntax can be used without indices

• Peeking Behind The Bytecode Curtain

• @classmethod vs @staticmethod vs "plain" methods

• Lambda Functions

• Working with IP addresses in Python 3

• Accessing class and function names at runtime

• Class inheritance and the issubclass() built-in

• Check if all elements in a list are equal

• Selectively ignore specific exceptions

• Multiple sets of kwargs in Python 3.5+

Docs

• Python's built-in HTTP server

• Python's list comprehensions are awesome

• When To Use repr vs str?

• Python 3 allows unicode variable names

• Awesome Python built-ins: globals() and locals()

• Python 3.3+ has a new "faulthandler" std lib module

• Avoid version conflicts with Virtual Environments

• "for" (and "while") loops can have an "else" branch?

• Forced keyword-only parameters in Python 3.x

Easter eggs

• A fun little CPython easter egg

• Finding the most common elements in an iterable

• Generates permutations for an iterable

References and credits

Some tricks were taken from RealPython - 🐍 Python Tricks 💌