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Exception Handling in Python

Manipur Board · Class 12 · Computer Science

Quick revision notes for Exception Handling in Python — Manipur Board Class 12 Computer Science. Key concepts, formulas, and definitions for last-minute revision.

45 questions76 flashcards5 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 Manipur Board Class 12 Computer Science?
Exception Handling in Python covers several key topics that are frequently asked in Manipur Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Exception Handling in Python — Manipur Board Class 12 Computer Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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.

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