Category "range"

How can I require my python script's argument to be a float in a range using argparse?

I'd like to use argparse on Python 2.7 to require that one of my script's parameters be between the range of 0.0 and 1.0. Does argparse.add_argument() support

How can I generate a random number in a certain range?

How can I create an app that generates a random number in Android using Eclipse and then show the result in a TextView field? The random number has to be in a r