What is the purpose of the str() function? a. a cable that connects a computer to hardware b. a method of threading code into a computer c. a system of organizing strings alphabetically d. a way to print a numeric value with a string literal

The str() function is used in C, C+, Python and other programming languages. The exact purpose varies in different languages but it is always related to numerical numbers and character strings.

So the best answer is D. A way to print a numeric value with a string literal.