You work for a tech startup, and the decision has been made to create a customer phone directory. You are tasked with writing a program in Python to accomplish this task. A. Using the skills that you have practiced in the labs, write a program with the following criteria: B. Upon starting the program, existing records should be read from a text file into a collection. C. The console should allow users to create and delete records. D. The ability to search records by first name, last name, or phone number should exist. E. Upon exiting the program, the collection should be saved into the text file to be loaded next time the application is ran