The Ultimate Python Roadmap: Learn Step by Step

Source: Dev.to

Introduction

• What Python is and where it’s used

Getting Started with Python

• Installing Python and running your first program
• Comments: writing notes in code
• print function: displaying output
• Escape sequence characters: formatting text output

💡 Tip: For detailed explanations with examples, check out Python tutorials on Learnify.

Data Handling

• Variables in Python
• Data types in Python
• Typecasting in Python
• input function: taking user input
• Strings: basics, indexing, slicing, and methods

Control Flow

• Conditional statements: if, elif, else
• Match‑case statements
• Loops: for loop, while loop

Functions and Modules

• Functions
• Local and global variables
• Lambda functions
• Modules
• Importing modules
• if __name__ == "__main__"

Code Style

• String formatting
• Docstrings
• Comments vs. docstrings
• PEP 8
• The Zen of Python

Data Structures

• Lists
• Tuples
• Sets
• Dictionaries
• enumerate function

Error Handling

• Exception handling
• is vs. ==
• requirements.txt file

Functional Programming

• map, filter, and reduce
• Function caching
• Generators
• Walrus operator (:=)

Object‑Oriented Programming (OOP)

• Introduction to OOP
• Classes and objects
• Constructors
• Inheritance
• Polymorphism
• Encapsulation
• Access modifiers
• Instance vs. class variables
• Static methods
• Class methods
• Class methods as alternative constructors
• Decorators

Advanced Topics

• super() function
• Magic / dunder methods
• dir() method
• dict attribute
• help() method

Project Essentials

• Handling files
• Virtual environments

Visual Roadmap

A step‑by‑step visual Python roadmap is available here.