Error handling

Term

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Definition

Detecting and managing problems (try and except in Python) so the program fails safely, shows a generic message and does not leak internal details.

Example: try: int(x) except ValueError: print("Enter a number")

Found in: syllabus, school notes.

Where you'll use it in the test

Syllabus area: Y12 Secure Software Architecture.

Question types it can appear in

Python: try / except
Short answer: Define, outline or explain it and tie it to the scenario.
Multiple choice: Pick the option that matches the definition or example.

Where it has appeared in the paper

Secure Software Architecture (Part A, B). Part letters follow each paper’s own layout.

How to use it

A model sentence

General advice, built from the definition and example above

“Detecting and managing problems (try and except in Python) so the program fails safely, shows a generic message and does not leak internal details.” Then apply it: try: int(x) except ValueError: print("Enter a number")

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Command words used with it

General advice

No linked question shows the command word for this term. Across the past python and short answer questions in this bank the words used most are: Explain, Outline, Describe, Compare, Classify, Analyse. Check the actual word in your question.

Official worked answer

2025 HSC Q19 (3 marks): Developing secure code (Python) (3 marks): official criteria and sample answer

Criteria

3: Correct code for the problem. 2: Partially correct code that includes a correct selection structure OR password creation. 1: Some understanding of the scenario and Python.

Sample answer

uName = input('What is your username?') password = input('What is your password?') passwordP1 = uName[:3] passwordP1= passwordP1 + '123' if passwordP1 == password: print ('Welcome!') else: print ('Incorrect password entered')

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Go deeper

Flashcard: Error handling in Secure Software Architecture (Year 12) · study that set
Memorise: Defensive data input handling: validation, sanitisation, error handling
Notes: Defensive data input handling: validation, sanitisation, error handling (Secure Software Architecture (Year 12))
Notes: Design, develop and implement code using defensive data input handling practices,… (Secure Software Architecture (Year 12))
Notes: Interpret and apply fundamental software development steps to develop secure code,… (Secure Software Architecture (Year 12))
Notes: Web development system: front end, back end, databases (Programming for the Web (Year 12))
Full term page: every question, note and marking comment for Error handling

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