QUESTION 1

Python functions must always include parameters, which are defined at the first line that creates the function.

True

False

QUESTION 2

Functions are blocks of code that perform specific tasks. However, it is possible to include one function inside another function to perform more complicated tasks.

True

False

QUESTION 3

Function parameters usually reference variables that are created outside the function definition.

True

False

QUESTION 4

Variables created inside a function can be referenced outside the function, ONLY if the variable is created using the keyword, "global".

True

False

QUESTION 5

The following will create a user-defined function, my_function, without any errors. Select ALL that apply:

	A.	def my_function(): print('Hello, world!')
	B.	def my_function(1st_param, 2nd_param): print('Hello, world!')
	C.	def my_function(param_1=1, param_2): print('Hello, world!')
	D.	def my_function(param_1): print('Hello, world!')

QUESTION 6

One of the most important aspects of functions is their ability to perform discrete units of work and produce values that can be stored in variables. Which of the following keywords is often the last line of a function and will allow data to pass from within the function to a variable outside the function?

	A.	yield
	B.	result
	C.	break
	D.	return

QUESTION 7

You would like to create a function that calculates the sum of two numbers. Your function is called sum_of_numbers. Choose an option to fill in the blank below to complete this function:

def sum_of_numbers(a=0, b=0):

c = [BLANK]

return c

	A.	a + b
	B.	a.add(b)
	C.	c + a + b
	D.	a

QUESTION 8

You create a function my_function, that takes one numeric argument, my_num, and returns a numeric result. You would like to use your function with the numeric value 9.3, and store the result into a variable, my_result. Which single line of code would accomplish this?

	A.	my_result(my_function(9.3))
	B.	my_function(9.3)
	C.	my_result = my_function(my_num)
	D.	my_result = my_function(my_num=9.3)

QUESTION 9

If you want to generate a sequence of results with a function, the following keyword is often used within the function instead of return to produce results.

	A.	generate
	B.	produce
	C.	yield
	D.	output