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6. Comments in Python

🐍 Python 3.12+ 🟢 Lesson 6 of 28 📂 Phase 1: Python Basics 📅 2026 Edition

Single-line comments (#), multi-line comments, docstrings ("""), and best practices for writing self-documenting clean code. In this interactive tutorial, you will explore conceptual principles, memory models, best practices, executable code samples, and common pitfalls to avoid.

1 Overview & Core Concepts

Single-line comments (#), multi-line comments, docstrings ("""), and best practices for writing self-documenting clean code. Python offers clean syntax and powerful built-in abstractions that streamline software development across web, machine learning, and automation workflows.

2 Executable Code Example

Python 3 ▶ Run in Compiler

# 6. Comments in Python Demo
print("🚀 Welcome to 6. Comments in Python in Python 3!")

⚠️ Key Best Practice & Common Pitfalls

Always write clean, PEP 8 compliant code with descriptive variable names and consistent 4-space indentation. Test your code in the online sandbox above before deploying to production.

💻 Try It Yourself — Practice Challenge

Modify and test this interactive coding challenge in Our Compiler:

Python 3 ▶ Run in Compiler

# Practice Challenge: 6. Comments in Python
print("Solve the challenge below:")

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❓ Frequently Asked Questions (FAQ)

Q: What is the main objective of 6. Comments in Python?

Single-line comments (#), multi-line comments, docstrings ("""), and best practices for writing self-documenting clean code.

Q: How do I test this code without installing Python?

Click the green '▶ Run in Compiler' button on any code block to execute directly in Our Compiler's cloud sandbox.

Written by Our Compiler Technical Editorial Team
Reviewed for accuracy & tested on Python 3.12+ runtime · Last updated August 2026