OCR J277 programming / AQA 8525 programming
Combine selection, lists, functions, validation and testing into one quiz.
← All GCSE Python lessonsA small quiz with a scoreboard combines lists, selection, loops, functions and validation. Start with a minimum working version, then introduce one new feature at a time. Use a clear testing checklist before calling it complete.
Watch out: Avoid adding extra features before the core quiz works reliably. A smaller, tested program is better than a complex unfinished one.
Read this worked example. Predict its output, run it in Python 3, and explain how variables change.
questions = [('2 + 2?', '4'), ('Binary of 2?', '10')]
score = 0
for question, expected in questions:
# Replace the fixed response with input() later.
response = expected
if response == expected:
score += 1
print('Score:', score, 'out of', len(questions))Combine selection, lists, functions, validation and testing into one quiz. Work from the starter code before comparing with the solution.
Download starter + solution ZIP ↓For a stretch challenge: add meaningful test data, handle an edge case and explain one design decision.
def run_quiz(questions, ask=input):
score = 0
for question, expected in questions:
response = ask(question + ' ').strip().lower()
if response == expected.lower():
print('Correct!')
score += 1
else:
print('Answer:', expected)
return score
QUESTIONS = [('2 + 2?', '4'), ('Binary of 2?', '10'),
('Keyword for a function?', 'def')]
if __name__ == '__main__':
result = run_quiz(QUESTIONS)
print('Score:', result, '/', len(QUESTIONS))The reference is one possible approach. Test your own program before comparing.
Question: How would you test the scoreboard without repeatedly typing answers?
Pass a controlled replacement for the input function, or test a separate scoring function.
Explain one test you used, one problem you solved and one improvement you would make.
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