username='wzt01'
password='abc123'
count=0
while count<3:
             count+=1
                    access_name=input('請輸入賬號：')
                    access_pass=input('請輸入密碼：')
            if access_name=='wzt01' and access_pass=='abc123':
                    print('賬號密碼正確')
                    break
           elif count==3:
                    print('login failed')
            else: print('賬號密碼錯(cuò)誤，請重新輸入：\n')