與孩子一起學(xué)習(xí)編程

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