Python login account failed three times, automatic account lockout

Topic demand:

1. Enter the user name password

2. Display welcome message after successful authentication

3. Three times after the wrong lock

Username= "Zhangsunan"
Passwd= "123456"
Count=0

With open ("blacklist", Mode= "R", encoding= "UTF8") as F: #打开黑名单
    L_list=f.readlines ()

While Count < 3:
    Name = input ("Please enter user name")
    PWD = input ("Please enter a password")
    If name = = Username and pwd = = passwd:
        Print ("Welcome login")
        Break
    If name in L_list: #判断是否在黑名单里
        Print ("Your account is locked")
        Break
    Else
        Print ("Bad password")
        Count + = 1
    if Count = = 3:
        Print ("You have entered more than three times, the account is locked")
        With open ("blacklist", mode= ' A + ', encoding= "UTF8") as F:
            Test = ("\n%s"% name)
            F.write (Test)
            Print ("User name error")
Insufficient: Only the third input user can be locked

Python login account failed three times, automatic account lockout