## Muuttujiksi nämä, niin niitä on helpompi vaihtaa
MASTER_USERNAME = 'iita'
MASTER_PASSWORD = 'iita'
SECURITY_LOCKDOWN_COUNT = 4

try = 0
isCorrect = False
while try < SECURITY_LOCKDOWN_COUNT and not isCorrect:
   ## ask new password
   print('Authenticate to Iita system')
   name = input('Name')
   password = input('Password')
   ## check if correct
   if name.lower() == MASTER_USERNAME and password.lover() == MASTER_PASSWORD:
      isCorrect = True
   else:
      print('Incorret authentication')

if isCorrext:
    print('Authentication OK')
else:
    print('System has been locked')