Swapping two values is a concept that is central to most sorting techniques.

To work with a file when you’re using Python, you must do all but one of the following. Which one is it?

A. open the file B. close the file C. write data to or read data from the file D. decode the data in the file

A collection of character and paragraph formatting that is stored and named is a:

a. style set b. template c. format set