flag=False

name = raw_input("请输入：");

numbers=['羊爸爸','羊妈妈','羊宝','牛宝']

while len(numbers)>0:

    number=numbers.pop()

    if name == number:

       flag=True

       break

if flag == True:

    print 'Welcome Home '+name

else:

    print name+'你不是权限,请离开'

fruits = ['banana', 'apple',  'mango']

for fruit in fruits:        # 第二个实例

   print '当前水果 :', fruit

print "Good bye!"