#coding:utf-8
"""
 1. 用戶輸入帳號密碼進行登陸
2. 用戶信息保存在文件內
3. 用戶密碼輸入錯誤三次後鎖定用戶
"""



dic={
    ‘egon1‘:{‘password‘:‘123‘,‘count‘:0},
    ‘egon2‘:{‘password‘:‘123‘,‘count‘:0},
    ‘egon3‘:{‘password‘:‘123‘,‘count‘:0},
}
flag=True
while flag:
    name=input(‘type your name:‘).strip()
    with open(‘a.txt‘,‘r‘,encoding=‘utf-8‘) as red_user:
        if name in red_user.read().split(‘|‘):
            print("賬戶已鎖定")
            continue
    if name not in dic:
        print(‘name is not in dic‘)
        continue
    else:
        while flag:
            passwd=input(‘type your passwd:‘)
            if passwd!=dic[name][‘password‘] and dic[name][‘count‘]<=2:
                print(‘passwd is wrong‘)
                dic[name][‘count‘]+=1
                continue
            elif dic[name][‘count‘]>2:
                print("chao guo 3 ci")
                user=open(‘a.txt‘,‘a‘,encoding=‘utf-8‘)
                user.write(name+‘|‘)
                user.close()
                break
            if passwd==dic[name][‘password‘]:
                    print("login success")
                    flag=False

模擬登錄