import sys # imported this module to use sys.exit() below - read about it in the chapter.

account = 'user'
password1 = 'pass'

while True:
   print('Please provide user name: ')
   username = input()
   if username == account:
      for t in range(3):
         print('Welcome ' + account + '  Please provide your password: ')
         password = input()
         if password == password1:
            print('Welcome ' + account + '. You are now in the system')
            sys.exit() # the only way to exit the big while True: loop, otherwise breaking out of here returns to the big loop
         else:
            print('Incorrect password.' + ' This is your ' + str(t + 1) + ' try.')
            if t == 2: # changed this part to compare the counter and deliver a proper error msg, then return to asking for a user in the big loop
              print('You have gone over the maximum amount of tries for ' + account + ' You are logged out.')
              break
   else:
      print('User does not exist.\n')