completed the display all contact function
search contact method created in the rolodex
able to search and display specific contacts
centralized the put statement for contacts
can now modify an attribute of a contact
included confirmation prompt for attribute changes
prompts user for attribute to display and passes it to the rolodex class
prompts and returns all entries related in the attribute specified by the user
prompts user for user and attribute to delete and passes information to rolodex
prompts user for attribute that they want to delete and deletes that user's attributes