authenticate_travel(client_id='client_520', client_secret='rise_to_sky', refresh_token='token990125', grant_type='read_write', user_first_name='Michael', user_last_name='Thompson')
get_credit_card_balance(access_token='251675', card_id='card_4455')
mean(numbers=[45.99, 78.25, 102.5, 38.75, 92.1])