Python Functions Quiz

What is a function in Python?

• A way to print output to the screen

• A block of reusable code that performs a specific task

• A special type of variable

• A type of loop

What keyword is used to define a function in Python?

• function

• define

• def

• fn

What will this code print? def greet(): print("Hello, world!") greet()

• greet()

• "Hello, world!"

• Nothing, because the function is not called

• An error

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

• It outputs data to the console

• It stops the function execution

• It sends a value back to where the function was called

• It prints the function name

What will this function return? def add(a, b): return a + b result = add(3, 5) print(result)

• 3

• 5

• 8

• Nothing, because return does not print

What is the output of the following code? def multiply(x, y=2): return x * y print(multiply(4))

• 4

• 2

• 8

• An error

Which of the following is true about function parameters and arguments?

• Parameters are the actual values passed to a function

• Arguments are the names defined in the function definition

• Parameters are placeholders used in a function definition

• Arguments and parameters are the same thing

What will this function print? def test_scope(): x = 10 print(x) test_scope() print(x)

• 10

• An error

• None

• 0

What is the correct way to call this function? def greet(name): print("Hello, " + name + "!")

• greet("Alice")

• greet Alice

• greet("Alice", "Bob")

• greet()

What happens if a function does not have a return statement?

• It returns None

• It automatically returns 0

• It will produce an error

• It always prints something