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Python for Beginners: Write Code That Actually Runs, Then Make It Better
Check Yourself: When Things Go Wrong
Five questions on error messages and try/except. If you get these right, you're ready for the final check.
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Before You Write Code
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Introduction to Python Programming: What It Is and Why Start Here
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Installing Python and Running Your First Script
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The Basics You Cannot Skip
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Python Variables and Data Types
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Python Operators and Expressions
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Getting Input and Printing Output in Python
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Making Decisions and Repeating Work
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Python If Statements: Making Your Code Decide
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Python Loops: For, While, and When to Stop
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Organizing Your Code
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Python Functions: Stop Copying and Pasting
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Python Lists and Dictionaries
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When Things Go Wrong
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Reading Python Error Messages Instead of Panicking
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Python Try and Except: Handling Errors Properly
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- Final Check: Python for Beginners
1.
You get a long traceback. Where do you start reading?
2.
The error says NameError: name 'totl' is not defined. What is the most likely fix?
3.
You are not sure what can fail in a block, so you wrap it in try: ... except: pass. What is the problem?
4.
A user enters 500 when the limit is 1 to 100. int("500") works fine. How should you handle it?
5.
Your code stops working after you change three things at once to fix an error. What should you have done?
About
Five questions on error messages and try/except. If you get these right, you're ready for the final check.
- Duration
- 5 min
- Last update
- 09/16/2026
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