Question

1. In Python, 'mutable' objects such as lists are passed to functions 'by reference'. This means:

a.) Changes made to the object within the function persist after the function completes

b.) The function receives a copy of the object

c.) Python keeps a history of where then object was used

d.) Statements in the function can refer to the object by nickname

2. Which of the following is NOT a requirement for a Python function:

a.) The function must have at least one input parameter

b.) All statements in the function body must have the same indenting

c.) The function definition line must end in a colon

d.) The function body must have at least one statement

3. Suppose you've written the below function and it's not correctly printing the value of x. Which is the reason?

def myFunction():
  x = 1
  return x
  print(x)

a.) Python functions don't execute any commands after the 'return' statement

b.) The function has no input parameters

c.) The print() command needs a string

d.) The function doesn't modify x from its original value

Answer 1

Answer

1)  a.) Changes made to the object within the function persist after the function completes
2)  a.) The function must have at least one input parameter
3)  a.) Python functions don't execute any commands after the 'return' statement