Python Language Expertise

Overview

This skill provides comprehensive guidance for writing idiomatic, maintainable, and production-quality Python code across all domains: web applications, data processing, machine learning, and general-purpose scripting. It covers modern Python practices including type hints, async programming, testing patterns, proper packaging, data engineering workflows, and ML model development.

Key Concepts

Type Hints (typing module)

from typing import Optional, Union, List, Dict, Callable, TypeVar, Generic
from collections.abc import Sequence, Mapping, Iterator

T = TypeVar('T')
K = TypeVar('K')
V = TypeVar('V')