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Embracing Mistakes: The Art of Debugging

05 Jan 2026 / 1 minutes to read

Elena Daehnhardt


Lesson 6 of 10 60%


TL;DR: An error is just the computer asking for help. Read the message, look at the line number, and check for missing quotes or brackets.

The Red Text of Doom?

You wrote your code. You hit Run. And BAM. Red text everywhere.

SyntaxError: unexpected EOF while parsing

Do not panic. You did not break the computer.

The Truth About Coding

Coders make mistakes. Beginners make mistakes. Experts make mistakes. The people who built Python make mistakes.

Programming is not about being perfect. It is about fixing things. We call this “Debugging” (getting the bugs out).

Common Mistakes

1. The Missing Quote

print("Hello)

Error: EOL while scanning string literal Fix: You forgot the closing " at the end.

2. The Missing Colon

if age > 10
    print("Old enough")

Error: invalid syntax Fix: if, else, and for lines always need a : at the end.

3. The Typo

prnt("Hello")

Error: name ‘prnt’ is not defined Fix: Computers don’t know “prnt”. They only know “print”. Check your spelling.

How to Be a Detective

When you see an error:

  1. Read the line number: The computer usually tells you where it got confused (e.g., “Line 5”).
  2. Read the message: It tries to hint at what is wrong.
  3. Check the colors: In IDLE or Replit, colors change. If your code looks all green when it should be blue, you might have forgotten a quote.

Your Superpower

The next time you get an error, smile. Say: “Aha! A clue!” Then fix it. That feeling of fixing a bug is the best feeling in the world.


This post is part of the Python Basics for Kids series, based on “Python for Kids from 8 to 88”.

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About Elena

Elena, a PhD in Computer Science, simplifies AI concepts and helps you use machine learning.

Citation
Elena Daehnhardt. (2026) 'Embracing Mistakes: The Art of Debugging', daehnhardt.com, 05 January 2026. Available at: https://daehnhardt.com/courses/book0/06-debugging-is-fun/
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