Program Login Sederhana dengan Python3

import os, time
while(True):
    userName = input("        [•] Username : ")
    if userName == "tfkhdyt":
        #lanjut
        while(True):
            try:
                pin = int(input("        [•] PIN      : "))
                if pin == 142:
                    os.system("clear")
                    print(f"        Login sukses!\n        Selamat datang {userName}!")
                    time.sleep(1)
                    os.system("clear")
                    break
                else:
                    os.system("clear")
                    print("        Password salah!")
                    print(f"        [•] Username : {userName}")
            except:
                os.system("clear")
                print("        Password salah!")
                print(f"        [•] Username : {userName}")
        break
    else:
        os.system("clear")
        print("        Username salah!")