Day1作业2

#Author:Qi

count = 0
#输入三次，超过次数不给输入
while count<3:
 count +=1
 #用户输入
 user = input("Input your name:")
 password = input("Input your password:")
 #如果用户输入用户名已经在user_locked文件中，则显示用户名已被锁定
 f_l = open('user_locked.txt')
 f0 = f_l.readlines()
 if user in f0:
 print("Your account has been locked.")
 else:
 fl = open('user_pass.txt', 'r+')
 f = fl.readlines()
 if user+'\n' in f :
 p = int(f.index(user+'\n'))
 if password+'\n' == f[p+1]:
 print("Welcome {_name} login in...".format(_name=user))
 break
 else :
 print("Try again!")
 else:
 print("This is a unregistered account.")
else:
 f_l = open('user_locked.txt','r+')
 f_l.write(user)



user_pass.txt

qiqi
19960108
gulihan
19951212
qiqin
19900104
huoruping
19661004
qichangliang
19661004

user_locked.txt  #初始为空文件