Part #1: get computer choice

Algorithm: pick a (pseudo)random number between 0 and 2 inclusive
	then announce and return pick

Note: randrange defined in library random

import random

def getcomp():
	pick = random.randrange(0, 3)
	print "Computer picks", what(pick)
	return pick

def what(pick):
	if pick == 0:
		print "rock"
	elif pick == 1:
		print "paper"
	elif pick == 2:
		print "scissors"

	print "??? (%d)" % pick