# 4.2 把匿名函数作为函数返回值
love = ['python', 'PHP', 'pytorch', 'MySQL', 'pandas']
def LoveAI():
    return lambda x: x[0] == 'p'
love_AI = LoveAI()
loveAI = filter(love_AI, love)
print(list(loveAI))

''' 运行结果
['python', 'pytorch', 'pandas']
'''