Python, Password authentication

The password must be a minimum of 9 characters

The password must contain at least 1 upper case letter, 1 lower case letter

The password must contain at least 1 digit

it must ask user to enter new password with above criteria and verify the password by retyping it correctly, if correct allow the user to know its been updated anda if incorrect tell the user its not the same password and make the user reenter a new password