def greet_user(first_name, last_name):
    print(f'Hi  {first_name} {last_name}')
    print('Welcome aboard')


print('Start')
greet_user('Sandeep', 'Alimi')
print("Finish")

print("--------------")
print('Start')
greet_user(last_name='Smith', first_name='Joh')
print("Finish")
