def login ():
    username1 = input("Please enter username: ")
    password1 = input("Please enter your password: ")
    username2 = input("Please enter your username: ")
    password2= input("Please enter your password: ")#where they enter the password

    if password1 == "s" and password2 == "s":
        print("Access Granted")
        roll(username1, username2)#it goes to the def function roll(username 1, username 2)
    else:
         print("Access Denied")
         login()