用户信息存放在user列表中:
user = [
{'name':'john','password':'123','usertype':1},
{'name':'hyc','password':'1314','usertype':2},
{'name':'yq','password':'520','usertype':3},
{'name':'lcz','password':'1314520','usertype':4},
{'name':'yqq','password':'520','usertype':5}
]
咨询:如何实现用户登录信息验证呢?