sample_username_password_program

import sys
incorrect = 0
max_tries = 6

choices = ['Drake', 'swordfish']

run = True

while run:
    while incorrect < max_tries:
        user_input = input('Please enter username: ')
        if user_input not in choices:
            incorrect += 1
            print(f"{user_input} is incorrect. Please try again.")
        else:
            print(f"Welcome back {user_input}.")
            pass_input = input('Please enter password: ')

            if pass_input not in choices:
                incorrect += 1
                print("Password does not match. Please try again")
            else:
                run = False
                print('Access granted')
                sys.exit()

    if incorrect == max_tries:
        sys.exit()