特技关卡 13-1
#奶牛会一直吃,直到大门上的条件变为真实的
#然后,大门被打开了!
until cow.weight() == 20
cow.eat()
goto banana
特技关卡 13-2
#我们需要做什么直到奶牛的体重将打开大门?
until cow.weight() == 30
cow.eat()
goto banana
特技关卡 13-3
turtle.step 10
goto turtle
#检查门上的条件来打开大门。
until cow.weight() >= 22
cow.eat()
for b in bananas
goto b
特技关卡 13-4
until cow.weight() == 35
cow.eat()
goto banana
特技关卡 13-5
for c in cows
until c.weight() == 20
#修复这里
c.eat()
goto banana
特技关卡 13-6
until cows[1].weight() == 30
cows[1].eat()
cows[0].eat()
for b in bananas
goto b
特技关卡 13-7
for c in cows
until c.weight() == 35
c.eat()
for b in bananas
goto b
特技关卡 13-8
until cow.weight() == 18
cow.eat()
for b in bananas
goto b
if health() < 50
goto healthZone
until monkey.health() == 100
wait()
特技关卡 13-9
for cow in cows
until cow.weight() > 19
cow.eat()
i = 3
4.times ->
goto bananas[i--]