Which class has the correct syntax and logic for its method where the first argument is a user name and the second is a password?

class User:

def $\_\_$init$\_\_($self$,$ username, password$)$:

username $=$ username

password $=$ password

class User:

def $\_\_$init$($self$,$ username, password$)$:

self.username $=$ username

self.password $=$ passname

class User:

def $\_\_$init$\_\_($username$,$ password$)$:

self.username $=$ username

self.password $=$ password

system$\_$user $=$ User$(\text{'}$enduser$\text{'},\text{'}12345\text{'})$

class User:

def $\_\_$init$\_\_($self$,$ username, password$)$:

self.username $=$ username

self.password $=$ password