General Notes
Exception Handling
- Refers to the way a program detects and responds to such errors, allowing it to recover or terminate gracefully instead of crashing.
- Exception: Unexpected event that interrupts the normal flow of a program
- Uses
- Prevents programs from crashing suddenly
- Provides clear and user-friendly error messages
- Makes software more stable and reliable
- Manages common errors
- Causes of exceptions
- Programming errors - such as using uninitialized variables or making logical mistakes.
- Hardware or device failures - like a disk read error, printer disconnection, or other hardware malfunctions.
- Division by zero
- File errors - when a file is missing, unreadable, or cannot be accessed.
- Invalid input
Exception Handling Using try and except (Python)
Example: File Not Found
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Multiple Exception
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File Handling with Exception Handling
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