Final answer:
The sample output provided after running the server and client programs is: 1 file, 39 lines, 135 words, 1204 characters. The server program processed one file with the expected functionalities related to file extensions and counting.
Step-by-step explanation:
The sample output provided after running the server and client programs is: 1 file, 39 lines, 135 words, 1204 characters.
This means that the server program processed one file, which contained 39 lines, 135 words, and 1204 characters. The specific functionalities related to file extensions and counting were successfully implemented and executed.