Python
Introduction to Python
Python is a high level, dynamically typed, interpreted language whose whole design goal is that a program should be as easy to read as it was to write...
Basics
What Python is, how it runs your code, installing it, the REPL, indentation, statements, comments, keywords, identifiers, PEP 8 and variables.
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Python
Installing Python and Running Your First Program
Install Python, check the version, meet the REPL, write a script and understand the difference between interactive mode and script mode.
Python
How Python Runs Your Code
Source code is compiled to bytecode and the Python Virtual Machine executes it. Knowing that explains __pycache__, import speed and most confusing err...
Python
Python Syntax and Structure
Indentation defines blocks, statements end at the line break, and a short set of rules about comments, keywords and identifiers covers everything else...
Python
Variables, Assignment and Constants in Python
A Python variable is a name bound to an object, not a box holding a value. That one distinction explains multiple assignment, swapping, dynamic typing...