How to write code that includes probability of a choice?

Which of the following physical laws can make the flow of water seem more realistic? a. motion b. gravity c. fluid dynamics d. thermodynamics

Who can provide you with a new password when you have forgotten your old one? your provide you with a new password in case you forget your old one.

When guido van rossum created python, he wanted to make a language that was more than other programming languages. a. code-based b. human-readable c. complex d. functional