Finished exercise and added getAverage()

sum-args/main.go

@@ -15,9 +15,16 @@ func main() {
 	}
 
 	for i := 1; i < len(os.Args); i++ {
-		sum, _ := strconv.Atoi(os.Args[i])
+		sum, _ := strconv.ParseFloat(os.Args[i], 64)
 		result = result + float64(sum)
 	}
 
-	fmt.Printf("%v\n", result)
+	averageResult := getAverage(result, len(os.Args)-1)
+
+	fmt.Printf("Total sum: %.4v\n", result)
+	fmt.Printf("Average: %.4v\n", averageResult)
+}
+func getAverage(num float64, quantity int) (finalNum float64) {
+	finalNum = num / float64(quantity)
+	return finalNum
 }