# L-22 MCS 260 Wed 3 Mar 2010 : a quiz
#
# this program illustrates bottom-up design
# of an automated multiple choice quiz

import questions
import dialogue

t = [0,0]
while True:
   (q,a) = questions.generate()
   s = questions.shuffle(a)
   dialogue.show_question(q,s)
   c = dialogue.prompt_choice(len(s))
   e = questions.evaluate(s,c)
   dialogue.show_outcome(e)
   t = questions.update_tally(t,e)
   more = raw_input('continue ? (y/n) ')
   if more != 'y': break
dialogue.show_tally(t)