How to write readable code in Python — tips that will boost your skills

When you're just starting to learn programming, it seems that the main thing is that the code workedBut how it is written is not so important.

But if you want to develop as a developer, learn to write readable, understandable and beautiful code - this is a must-have 🎯

In this article, we will analyze what makes the code readable, and how to achieve it.

📚 Why is it important to write readable code?

• ✅ The code is read more often than it is written

• ✅ In a week you will forget what you did there

• ✅ Readability is critical in the team

• ✅ Good code is easier to maintain and improve

✍️ Tips for those who are just starting out

1. 🔤 Give variables meaningful names

# Bad
a = 10
b = 20
c = a + b

# Good
apples = 10
oranges = 20
total_fruits = apples + oranges

🧠 Rule: The name of the variable should reflect what is stored in it. Don't be afraid of long but understandable names.

2. 🧱 Use indentation correctly

# ❌ Incorrect
if score > 10:
print("Win!")  # error!

# ✅ Correct
if score > 10:
    print("Win!")

💡 Use 4 spaces or customize the editor for this (VS Code, PyCharm, etc.).

3. 💬 Write comments, but in moderation

# Good comment
# We increase the score by 1 because the user gave the correct answer
score += 1

🧠 Write Why, and not what makes the code — it's already visible.

4. 📦 Divide the code into logical blocks

Don't write everything in one pile. Break the code into functions, insert empty lines between logical parts, use talking names.

5. 🧪 Check the code for purity

Tools like black, flake8, pylint will help you find small errors and make the code more beautiful automatically.

🐍 A little about the PEP8 style

PEP8 is official Python code style. It describes:

• How to name variables and functions — snake_case

• How to name classes — CamelCase

• Maximum string length is 79 characters

✅ What you can do today

• Rename incomprehensible variables

• Configure automatic style check

• Follow PEP8 in indentation and function names

• Ask AI for advice on how to improve a specific code

If you are studying in the app Code, you are already on the right track! We:

• We show you how to write cleanly

• We explain why it's better

• We help improve code style even from scratch

Join our friendly community of developers 🧠