The world's most popular programming language — created by Guido van Rossum in 1991. Readable, versatile, and the lingua franca of AI, data science, and automation.
Python was created by Guido van Rossum at Centrum Wiskunde & Informatica (CWI) in Amsterdam. He began work on it in December 1989, frustrated with the limitations of the ABC language, and released Python 0.9.0 in February 1991. The name comes from Monty Python's Flying Circus, not the snake.
Python is a high-level, interpreted, dynamically typed language with automatic memory management. Its defining philosophy is readability — code is read far more often than it is written, so Python uses significant whitespace (indentation) instead of braces, enforcing clean structure by design.
Python follows a "batteries included" philosophy: its standard library ships with modules for file I/O, networking, JSON, regex, testing, databases, threading, and hundreds more. You can build a web server, parse XML, send email, or do matrix math without installing a single third-party package.
# hello.py — readability counts
print("Hello, World!")
# List comprehension — Pythonic elegance
squares = [x ** 2 for x in range(10)]
print(squares) # [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
# Everything is an object
class Greeter:
def __init__(self, name):
self.name = name
def greet(self):
return f"Hello, {self.name}!"
No semicolons. No braces. No type declarations required. Just write what you mean. Run with python hello.py. Python's syntax is often called "executable pseudocode" — readable to anyone, even non-programmers.
x = 42 then x = "hello" is perfectly valid. Types are checked at runtime, not compile time.[x**2 for x in range(10) if x % 2 == 0] — build lists with declarative, readable one-liners. Also works for dicts and sets.yield produces values lazily, enabling memory-efficient processing of infinite sequences. The iterator protocol powers for loops.@cache, @property, @staticmethod — modify function/class behavior with clean, composable syntax. Metaprogramming made readable.with open("f") as f: guarantees cleanup. No forgotten .close() calls. Works for files, locks, DB connections, and custom resources.f"Hello, {name}!" — inline expressions in string literals. Added in 3.6, they replaced % formatting and .format() for most use cases.async def and await enable cooperative multitasking. asyncio powers high-concurrency servers, web scrapers, and I/O-bound workloads.Python is the lingua franca of AI and machine learning. TensorFlow, PyTorch, scikit-learn, Hugging Face, LangChain — the entire AI revolution runs on Python. When researchers publish papers, the code is in Python. When companies deploy models, the orchestration is in Python.
But Python's reach extends far beyond AI. It is the dominant language in data science (pandas, NumPy, matplotlib), automation (scripting, DevOps, Ansible), web development (Django, Flask, FastAPI), and education (the most taught first language at universities worldwide).
Python doesn't do one thing well. It does everything well enough. And for most tasks, "well enough" at 10x the development speed beats "optimal" at 10x the development cost. That pragmatism is why Python won.