100 Days of Python: From Basics to Advanced 🐍

A structured 100-day learning plan covering Python fundamentals, intermediate concepts, and advanced topics with hands-on projects.

Table of Contents 📚

🔵 Level 1: Python Basics (Days 1-30)

📌 Core Concepts:

• Python Setup & Basics

  • Installing Python, IDEs (VS Code/PyCharm)
  • Running Python scripts (print(), comments)
  • Variables & Data Types (int, str, bool, float)

• Operators & Expressions

  • Arithmetic (+, -, *, /, %)
  • Comparison (==, >, <=)
  • Logical (and, or, not)

• Control Flow

  • Conditional statements (if, elif, else)
  • Loops (for, while, break, continue)

• Data Structures

  • Lists (indexing, slicing, methods)
  • Tuples (immutable sequences)
  • Dictionaries (key-value pairs)
  • Sets (unique elements)

• Functions & Modules

  • Defining functions, return statements
  • Lambda functions (lambda x: x*2)
  • Importing modules (math, random)

• File Handling

  • Reading/writing files (open(), read(), write())

• Error Handling

  • try-except-finally blocks

🛠️ Hands-On Projects:

1. Simple Calculator
2. To-Do List (CLI)
3. Guess the Number Game
4. Text-Based Adventure Game

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🟠 Level 2: Intermediate Python (Days 31-70)

📌 Core Concepts:

• Object-Oriented Programming (OOP)

  • Classes & Objects
  • Inheritance, Polymorphism
  • Magic Methods (__init__, __str__)

• Working with Libraries

  • pip & virtual environments
  • requests (API calls)
  • datetime, json

• List Comprehensions & Generators

  • One-liner loops ([x*2 for x in list])
  • yield keyword

• Decorators & Context Managers

  • @decorator functions
  • with statement (file handling)

• Working with APIs

  • REST APIs (GET, POST requests)
  • JSON parsing (json.loads())

• Database Basics (SQLite)

  • CRUD operations (sqlite3)

• Testing & Debugging

  • pytest basics
  • Logging (logging module)

🛠️ Hands-On Projects:

1. Weather App (API-Based)
2. Expense Tracker (SQLite)
3. Password Manager (File Encryption)
4. Automated Email Sender (smtplib)

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🔴 Level 3: Advanced Python (Days 71-100)

📌 Core Concepts:

• Web Scraping

  • BeautifulSoup + requests
  • Dynamic scraping (selenium)

• Concurrency & Async IO

  • Multithreading (threading)
  • Async programming (asyncio)

• Data Science Basics

  • numpy (arrays)
  • pandas (DataFrames)
  • matplotlib (basic plots)

• Web Development (Flask)

  • Flask routing (@app.route)
  • Jinja2 templating

• Automation & Scripting

  • Automating file operations
  • Web automation (selenium)

• Advanced Topics

  • Regular Expressions (re module)
  • Metaprogramming (eval, exec)

🛠️ Hands-On Projects:

1. Stock Market Analyzer (pandas)
2. Discord Bot (discord.py + API)
3. Flask Blog (User Auth + SQLite)
4. Automated Web Scraper (e.g., Amazon)

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🎯 Final Goal

By Day 100, you'll have: ✅ Strong Python fundamentals (OOP, Data Structures)
✅ Real-world automation & scripting skills
✅ Experience with APIs, Databases, Web Dev
✅ 10+ Portfolio Projects

📌 Bonus

• Daily coding challenges (LeetCode/HackerRank)
• Git & GitHub for version control
• Deploying a Flask app OR Django app (PythonAnywhere)