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Exception Handling in Python — Revision Notes

Jammu & Kashmir Board · Class 12 · Computer Science

Exception Handling in Python revision notes for Jammu & Kashmir Board Class 12 Computer Science: 4 topics in quick points.

45 questions76 flashcards2 formulas & key relations5 concepts

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An infographic comparing Syntax Errors, Runtime Errors (Exceptions), and Logical Errors in Python, highlighting their characteristics, detection time, and impact on program execution.
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Key Topics to Revise

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1. Core Ideas

  • Syntax errors are also known as parsing errors.
  • The interpreter does not execute a program with a syntax error until it is rectified, saved, and rerun.
  • An exception is raised when an error occurs during execution of a program.
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2. Built-in Exceptions

  • SyntaxError is raised when there is an error in the syntax of the Python code.
  • ValueError is raised when a built-in method or operation receives an argument that has the right data type but mismatched or inappropriate values.
  • IOError is raised when the file specified in a program statement cannot be opened.
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3. Raising Exceptions

  • Programmers can forcefully raise exceptions using the raise and assert statements.
  • Once an exception is raised, no further statement in the current block of code is executed.
  • The raise statement is used to throw an exception.
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4. Handling Exceptions

  • Exceptions are caught in the try block and handled in the except block.
  • Every try block is followed by an except block.
  • While executing the program, if an exception is encountered, further execution of the code inside the try block is stopped and the control is transferred to the except block.

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Full Notes

Key Concepts

A SyntaxError is raised when thereAn exception is a Python objectPython’s standard library provides many builtThe raise statement is usedThe assert statement tests an expression

Frequently Asked Questions

What are the important topics in Exception Handling in Python for Jammu & Kashmir Board Class 12 Computer Science?
Key topics in Exception Handling in Python include Core Ideas, Built-in Exceptions, Raising Exceptions, Handling Exceptions. Study these first, then practise questions on each for the Jammu & Kashmir Board Class 12 board exam.
How should I revise Exception Handling in Python for the Jammu & Kashmir Board Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Exception Handling in Python. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Exception Handling in Python

All Jammu & Kashmir Board Class 12 Computer Science Revision Notes

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