import time time1 = 5 counter = 3 flag = True

print(""" |^^^^^^^^^^^^^^^^^^^^^^^^^^^^| | Welcome to Cisco router! |
| Use the default credentials|
| to log in! | -------------------------- """) while flag == True: #main loop

if True: #always True to start conditional statements
    login = input("Enter your login: ")
    haslo = input("Enter your password: ")
    if login != "admin": # meets condition if different that admin
       print("User", login, "does not exist, try another login")

    elif haslo != "admin": #meets condition jezeli roznce od admin
       warning = input("Wrong password,you have 3 attempts left before we suspend your account, ENTER: ")

       while counter >= 1:
        haslo = input("Please re-enter your password now: ")
        if haslo != "admin":
         counter -= 1
         print("Wrong password, only ", counter, "attempts left")
        if counter == 0:
         print("The number of attempts has been exceeded, now your account will be suspended for",time1, "seconds")
         time.sleep(time1)
         time1 += 5
         print("\n\n\n\n\n\n\n\nThe program will restart now")
         counter = 3
        if haslo == "admin":
         print("Welcome to the system", "Mr", login)
         flag = False # Can I avoid using flag here and use break or continue
         break

    else:
        print("Welcome to the system", "Mr",login)
        break