Which of the following tools is best suited to check the workbook contents to see what data and features are not compatible with previous versions?

MC Function parse’s first argument is_________ .

a) a Python file object. b) a filename. c) either a Python file object or a filename. d) None of the above.

The return type ________ indicates that when a function completes its task, it does not return (i.e., give back) any information to its calling function.

a. null b. virtual c. nullptr d. void