Write a program that reads a file called mail.dat and that ouputs every string containing the @ sign to file addresses.dat. Use nested while statements.

From: sharon@marzipan.edu Date: Wed, 13 Aug 2003 17:12:33 EDT Subject: Re: hi To: john@meringue. com John, Dave' s email is dave smith@icing.org ttyl, sharon the program would output the following information on file addresses.dat: sharon@marzipan.edu john@meringue.com dave smith@icing.org Use meaningful variable names, proper indentation, and appropriate comments