favorite_fruits = ['apple', 'peer', 'orange']
if 'apple' in favorite_fruits:
    print("You really like apple!")
if 'peer' in favorite_fruits:
    print("You really like peer!")
if 'orange' in favorite_fruits:
    print("You really like orange!")

if 'dog' not in favorite_fruits:
    print("名称不在列表中！")
if 'cat' not in favorite_fruits:
    print("小猫不在该列表中！")
