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
propose a suitable hash function for storing phone numbers
user
a suitable hash function for storing phone numbers would be to add the individual numbers of the phone number and then taking the modulo of the sum. for example, for a phone number such as 987-654-3210, the hash would be (9+8+7+6+5+4+3+2+1+0)%mod.
assistant