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letsloose501/README.md
letsloose501 — python, backend, algorithms

LeetCode Views

Stack
Core Python Asyncio Aiohttp
Web FastAPI Django
Data PostgreSQL SQLAlchemy Redis Celery
Ops & QA Docker PyTest Selenium Git Bash
Also HTML JavaScript Claude
streak leetcode activity

Method

Problems live in folders by technique, not by number — what solves the same way sits together.

Daily Temperatures solved with a monotonic stack: index 2 holds 75 and waits until index 6 brings 76, so its answer is 6 minus 2, four days. Every index is pushed once and popped once, giving O(n) time and O(n) memory.

Every solution carries the same header — link to the problem, the idea in two lines, time and memory. Read this one

Repositories

Pet projects
finance-tracker Personal finance API on FastAPI: wallets in several currencies, income, expenses and transfers with conversion at the live rate. Layered as api → service → repository, SQLAlchemy 2.0, tests
kuper-prices Grocery prices from Kuper across every store at once, from the command line: no browser, no account. Price per kg/l/unit, sorted table

Skills for Claude Code
Agent-Skills The index: what I build for Claude Code, each one in its own repository
skill-lint Integrity checker for skills: broken links, orphan files, spec violations, bloated SKILL.md. Python standard library only

Knowledge bases
algorithms LeetCode and handbook problems: every solution with the idea behind it and its complexity
Python Standard library, data model, interpreter internals

Popular repositories Loading

  1. skill-quality-suite skill-quality-suite Public

    Quality, security, compatibility and publishing toolkit for AI Agent Skills - lint and validate SKILL.md, scan for secrets and prompt injection, check portability across Claude Code, Codex, Cursor …

    Python 2

  2. algorithms algorithms Public

    A repository of the algorithms I solved

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  3. Agent-Skills Agent-Skills Public

    Index of the skills and tools I build for Claude Code. Each one lives in its own repository.

  4. Python Python Public

    A knowledge base about Python, compiled by me from various sources.

  5. letsloose501 letsloose501 Public

  6. kuper-prices kuper-prices Public

    Collects grocery prices from Kuper across every store at once: no browser, no account. Computes price per kg/l/unit and returns a sorted table.

    Python