as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
generate a nested list containing data involving user names, passwords and countries.
user
[['harry_potter', 'abcd1234', 'uk'], ['superman', 'qwerty', 'usa'], ['spiderman', 'password', 'australia'], ['ironman', '123456', 'china']]
assistant