Understanding Python Subroutines

What is a subroutine in Python?

• A type of variable

• A block of code that performs a specific task

• A type of loop

• A syntax error

Which keyword is used to define a subroutine in Python?

• define

• subroutine

• def

• function

What is the purpose of a return statement in a subroutine?

• To stop the execution of the program

• To return a value to the caller

• To print a message to the console

• To define a new variable

How do you call a subroutine named `calculate_area` in Python?

• call calculate_area()

• calculate_area

• calculate_area()

• execute calculate_area()

What is the scope of a variable defined inside a subroutine?

• Global

• Local

• Universal

• Static

Which of the following is a valid subroutine definition in Python?

• def myFunction:

• def myFunction()

• def myFunction():

• function myFunction()

What will be the output of the following subroutine if called with `add_numbers(2, 3)`? ```python def add_numbers(a, b): return a + b ```

• 5

• 23

• 6

• 0

Which of the following is NOT a benefit of using subroutines?

• Code reusability

• Easier debugging

• Increased code complexity

• Improved organisation

What is the term for a subroutine that does not return a value?

• Void subroutine

• Empty subroutine

• Null subroutine

• None subroutine

How can you pass a list to a subroutine in Python?

• By reference

• By value

• By copy

• By pointer