I have been trying to make a login, so what I wanna do is, you can read from below but my problem is that, I wanna make such that if I enter a wrong username, I will start again at the top, How do I do that?
name=(input('Enter your valid username:'))
if (name=='your valid username'):
password = (input('Enter your password:'))
if (password=='nabil165'):
print('Welcome back Nabil!')
else:
print("Try again!")
name = (input('Enter your valid username:'))