"""
 craps.py

 Find the odds of winning at craps.
  
   craps:
    a) first roll 2 dice
    b)  if sum of dice is 2, 3, or 12 => lose
    c)  if sum of dice is 7 or 11 => win
    d)  otherwise, the value is the "point"
    e) following rolls
    f)  if sum is 7 => lose
    e)  if sum is "point" => win
    g)  keep rolloing

 Class exercise for intro python.

 Jim Mahoney | March 2018
"""

import random

def two_dice():
    """ return sum of rolling two dice """
    return random.randint(1,6) + random.randint(1,6)

def win_craps():
    """ return True if we win one game of craps """
    first_roll = two_dice()
    # ... to be continued