You can define a function by ___________ . a. writing it within the function that uses it b. including the function’s filename at the top of the file that uses it c. inserting a comment that describes...

You can define a function by ___________ .

a. writing it within the function that uses it

b. including the function’s filename at the top of the file that uses it

c. inserting a comment that describes the function’s purpose

d. any of the above