问如何格式化文本文件的打印输出？

EN

1.1  Animal Name  : Dog
     Animal Type  : Mammal
     Fur          : Yes
     Scale        : No

1.2  Animal Name  : Snake
     Animal Type  : Reptile
     Fur          : No
     Scale        : Yes

1.3  Animal Name  : Frog
     Animal Type  : Amphibian
     Fur          : No
     Scale        : No

1.x  Animal Name  : aaaaaa
     Animal Type  : bbbbbb
     Fur          : cccccc
     Scale        : dddddd

Dog     Mammal      Yes
Snake   Reptile     No
Frog    Amphibian   No

Dog Mammal Yes
Snake Reptile No
Frog Amphibian No 

with open('animal.txt', 'r') as fp:
for line in fp:
    header = line.split(':')[0]
    if 'Animal Name' in header:
        animal_name = line.split(':')[1].strip()
        print animal_name,
    elif 'Animal Type' in header:
        animal_type = line.split(':')[1].strip()
        print animal_type,
    elif 'Fur' in header:
        fur = line.split(':')[1].strip()
        print fur
    elif '1.x' in header:
        break