dnd_attributes.py

import math
import random

rolls = [[random.randint(1,6) for i in xrange(4)] for j in xrange(6)]

# remove lowest roll
for roll in rolls:
    roll.remove(min(roll))


stats = [sum(roll) for roll in rolls]
random.shuffle(stats)

ATTRIBUTES = ["STR", "DEX", "CON", "INT", "WIS", "CHA"]
print [
    "{}: {} ({:+})".format(ATTRIBUTES[i], stats[i], int(math.floor((stats[i]-10)/2)))
    for i in xrange(len(ATTRIBUTES))
]
print "Average: {}".format(sum(stats) / len(stats))