Exam-style question
Try this first
In the Python subroutine definition below, which value is passed to the parameter named number when the subroutine is called? ```python def showDouble(number): print(number * 2) showDouble(7) ```.
- A.2
- B.7
- C.14
- D.number
Model answer
What a good answer should say
- 7
Explanation
Why this works
The argument 7 is supplied in the call and is passed to the parameter number. The subroutine then calculates 7 multiplied by 2, producing 14.
Common mistake
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