Challenge: Custom Error Messages
Custom Error Messages in Python
When you handle exceptions in Python, you can provide your own error messages to make your code more understandable and user-friendly. Instead of displaying Python's default error output, you can print messages that clearly explain what went wrong and how to fix it. This is especially helpful when your program accepts input from users or deals with unpredictable data.
Using custom error messages allows you to:
- Guide users to enter the correct input;
- Make debugging easier by explaining the nature of the error;
- Prevent confusion by avoiding technical or cryptic error messages.
By writing clear and specific error messages for each exception, you improve the overall experience and reliability of your Python programs.
Why Custom Error Messages Matter
Custom error messages are essential for building user-friendly Python applications. When you tailor messages for specific errors, you help users understand what went wrong and how to fix it. This clarity reduces frustration, prevents confusion, and encourages users to trust your program. Always strive to provide clear, actionable feedback to make your code approachable and professional.
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Modify the following function so that it uses two separate except clauses: one for ValueError and one for ZeroDivisionError. Each clause should print a custom message explaining the error. Do not use a generic except block.
Your task:
- Add an
except ValueErrorclause that prints Please enter valid integers. - Add an
except ZeroDivisionErrorclause that prints Cannot divide by zero. - Do not add any other exception handling.
- Do not use the
inputfunction; use the given parameters.
Lösning
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Custom Error Messages in Python
When you handle exceptions in Python, you can provide your own error messages to make your code more understandable and user-friendly. Instead of displaying Python's default error output, you can print messages that clearly explain what went wrong and how to fix it. This is especially helpful when your program accepts input from users or deals with unpredictable data.
Using custom error messages allows you to:
- Guide users to enter the correct input;
- Make debugging easier by explaining the nature of the error;
- Prevent confusion by avoiding technical or cryptic error messages.
By writing clear and specific error messages for each exception, you improve the overall experience and reliability of your Python programs.
Why Custom Error Messages Matter
Custom error messages are essential for building user-friendly Python applications. When you tailor messages for specific errors, you help users understand what went wrong and how to fix it. This clarity reduces frustration, prevents confusion, and encourages users to trust your program. Always strive to provide clear, actionable feedback to make your code approachable and professional.
Swipe to start coding
Modify the following function so that it uses two separate except clauses: one for ValueError and one for ZeroDivisionError. Each clause should print a custom message explaining the error. Do not use a generic except block.
Your task:
- Add an
except ValueErrorclause that prints Please enter valid integers. - Add an
except ZeroDivisionErrorclause that prints Cannot divide by zero. - Do not add any other exception handling.
- Do not use the
inputfunction; use the given parameters.
Lösning
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