与孩子一起学习编程

dog_cal = 140
bun_cal = 120
ket_cal = 80
mus_cal  = 20
onion_cal = 40

print "\tDog \tBun \tKetchup\tMustard\tOnions\tCalories"   # print headings

# nested loops
count = 1
for dog in [0, 1]:                                  # dog is the outer loop
    for bun in [0, 1]:
        for ketchup in [0, 1]:
            for mustard in [0, 1]:
                for onion in [0, 1]:
                    # calulate calories in the inner loop
                    total_cal = (bun * bun_cal) + (dog * dog_cal) + \
                               (ketchup * ket_cal) + (mustard * mus_cal) + \
                               (onion * onion_cal)
                    print "#", count, "\t",
                    print dog, "\t", bun, "\t", ketchup, "\t",
                    print mustard, "\t", onion,
                    print "\t", total_cal
                    count = count + 1