AWK 7. (15 points) Solve the previous proble sing AwK instead. Include a total at the bottom for the number of printed lines. Include invoking command Approximate lines of code: 6-8 Example input file abc123 Alex Ross cs3773 a0012333 Michacl Turncr CS3423 pkr398 Olivier Coipel cs3421 a0012395 Marjorie Liu his1043 Expected output: cs3773 cs 3421 Total: 2