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Python

Python is a versatile, high-level programming language known for its readability and simplicity. It's the go-to language for data science, machine learning, automation, and increasingly for web development.

Key Characteristics

  • Readable syntax: Whitespace-significant, clean code
  • Dynamic typing: With optional type hints (3.5+)
  • Batteries included: Extensive standard library
  • Multi-paradigm: Object-oriented, functional, procedural
  • Interpreted: No compilation step (though .pyc caching exists)

Common Use Cases

DomainLibraries/Frameworks
Web developmentDjango, Flask, FastAPI
Data sciencepandas, NumPy, Jupyter
Machine learningTensorFlow, PyTorch, scikit-learn
AutomationScripting, Ansible, AWS SDK
API developmentFastAPI, Django REST Framework

Modern Python (3.10+)

# Type hints
def greet(name: str) -> str:
return f"Hello, {name}!"

# Dataclasses
from dataclasses import dataclass

@dataclass
class User:
name: str
email: str
active: bool = True

# Pattern matching (3.10+)
match status_code:
case 200:
return "OK"
case 404:
return "Not Found"
case _:
return "Unknown"

# Async/await
async def fetch_data(url: str) -> dict:
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
return await response.json()

What We Like

  • Readability: Easy to learn, easy to maintain
  • Versatility: From scripts to ML pipelines to web apps
  • Scientific computing: Dominant in data science and AI
  • Community: Vast ecosystem and helpful community
  • FastAPI: Modern, fast async web framework

What We Don't Like

  • Performance: Slower than compiled languages
  • GIL: Global Interpreter Lock limits true parallelism
  • Packaging: pip, conda, poetry - dependency management is fragmented
  • Runtime errors: Dynamic typing means bugs hide until execution
  • Deployment: Packaging Python apps can be complex

Best Practices

  1. Use type hints: Catch errors early with mypy
  2. Use virtual environments: Isolate project dependencies
  3. Follow PEP 8: Standard style guide
  4. Use modern Python: 3.10+ for latest features
  5. Consider FastAPI: For new web APIs