Mahesh Pawar MaheshPawaar

Python Roadmap: The Master Checklist

Pillar 1: The Language Fundamentals

The core building blocks every Python program is built from.

Variables & Data Types
- Built-in Types: int, float, str, bool, NoneType — and how Python treats everything as an object.
- Dynamic Typing: Variables are labels on objects, not typed containers. Understanding type() and isinstance().
- Type Coercion vs. Conversion: Python rarely coerces types implicitly — mostly just numeric widening (int → float, e.g. 1 + 2.0 → 3.0). Nothing like JS's wild coercions. For everything else, you must explicitly convert (int("42")).
- is vs ==: == checks value equality; is checks identity (same object in memory). Critical for None checks (x is None).

name

use-subag

description

Orchestrates parallel subagents to complete tasks faster. Automatically determines whether to use independent parallel agents or a single orchestrator with sequential subagents. Use when the user wants to implement features, fix bugs, refactor code, or perform any multi-file task efficiently. Trigger phrases include "use subagents", "parallel", "fast mode", "speed up".

argument-hint

task description

allowed-tools

Agent, Read, Grep, Glob, Edit, Write, Bash

effort

max

Parallel Subagent Orchestrator

Topics

Binary Search
List of problems
Template-Python
Sliding window
Medium Post

	# Backend Engineering Fundamentals: The Master Checklist

	## Pillar 1: The Internet & Communication
	The foundational rules of how data moves across the web.

	* HTTP/HTTPS Lifecycle
	* DNS Resolution: How a domain name (like `google.com`) is translated into an IP address.
	* TCP Handshake: The 3-way handshake (SYN, SYN-ACK, ACK) that establishes a reliable connection.
	* TLS/SSL Handshake: How HTTPS encrypts data in transit to prevent packet sniffing.
	* The Request/Response Cycle: The anatomy of an HTTP request (Method, Headers, Body) and response (Status Code, Headers, Body).