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
create a 3-dimensional array in python
user
arr = [[[0 for col in range(0,4)] for col in range(0,4)] for row in range(0,4)]
assistant