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
write a code snippet that adds an item to the end of an array.
user
array = [1,2,3]
array.push(4)  // array = [1,2,3,4]
assistant