defusername ='jhoonwak'
defpassword ='mcomembers'

while (True):
    username = input('Username:')
    password = input('Password:')
    if ((username == defusername) and (password == defpassword)):
        print('Welcome', username)
        break
    elif ((username != defusername) and (password == defpassword)):
        print('The username that you have entered does not match any account')

    elif ((username == defusername) and (password != defpassword)):
        print('Forgotten account?')
        print('Resetting Your Password?(y/n)')
        answer = input()
        if (answer == 'y'):

            newpassword = input('New Password:')
            defpassword = newpassword
            print('Your password has been changed')



    else:
        print('Please try again')