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SingaporeComputer ScienceQuick questions
Programming in Python
Quick questions on Python functions and procedures explained: O-Level Computing
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is defining a function?Show answer
You define a function with def, a name, and a list of parameters in brackets. The indented block below is the function body:
What is returning a value?Show answer
A function can send a result back with return. The returned value can be stored or used in an expression:
What are wrong number of arguments?Show answer
The call must supply a value for each parameter, or Python raises an error.
What is q1?Show answer
State the difference between a parameter and an argument. [2 marks]
What is q2?Show answer
Write a function double(n) that returns twice its input. [2 marks]
What is q3?Show answer
Give one benefit of writing code as a function rather than repeating it. [2 marks]
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