def cheese_and_crackers(cheese_count, boxes_of_crackers):
    print "We have %d cheeses" % cheese_count
    print "We have %d crackers" % boxes_of_crackers

cheese_and_crackers(10, 20)

a = 10
b = 20

cheese_and_crackers(10,20)


cheese_and_crackers(5 + 10, 20 + 30)
