beginner
11 min read
Debugging Python Code for Beginners
Every beginner hits this moment. The program doesn't crash — it just quietly does the wrong thing. You stare at the screen, re-read the code, and feel like…
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Debugging and Testing in Python
Turn errors into clues: trace bugs, inspect behavior, handle failures, and verify your code with tests.
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Articles in Debugging and Testing in Python
Follow these lessons in order, or jump directly to the topic you need.
beginner
11 min read
Using the Python Debugger (pdb): Step-by-Step Guide
You know the cycle. Something goes wrong, so you sprinkle print() statements through your code, rerun the script, stare at the output, and guess again. For…
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beginner
9 min read
How to Read Python Error Messages
You run your script. The terminal fills with red text. Your first instinct is to panic, or maybe to scroll past the noise and stare at the last few lines…
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beginner
8 min read
How to Debug Wrong Values in Python
If you have been learning Python for a while, you already know how to read an error message. A SyntaxError tells you where to look. A TypeError tells you…
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beginner
12 min read
How to Write Your First Python Tests
You have been checking your functions the honest way: run the code, look at the printed result, and decide whether it looks right. That works when you have…
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beginner
9 min read
How to Fix FileNotFoundError in Python
You can see the file right there in your folder. You double-check the name. It's spelled correctly. And yet Python raises FileNotFoundError and refuses to…
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beginner
10 min read
Try except in Python: Handle Errors Without Crashing
You wrote a script that asks the user for a number. You tested it with 10, and it worked perfectly. Then someone typed ten, and the whole program died with…
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beginner
9 min read
Python Logging: Add Levels and Useful Messages to Small Applications
Your script works. That is the problem. Somewhere between the first print("here") and the fifth print("still here"), your console turned into a wall of…
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