Update worker-pools.go to print results.

Great example but needs one small change to be complete!  Print the collected values from the results channel.

examples/worker-pools/worker-pools.go

@@ -49,6 +49,6 @@ func main() {
 	// finished. An alternative way to wait for multiple
 	// goroutines is to use a [WaitGroup](waitgroups).
 	for a := 1; a <= numJobs; a++ {
-		<-results
+		fmt.Println( <- results )
 	}
 }