add: slices advanced ops

16-slices/15-multi-dimensional-slices/version-2/main.go

@@ -0,0 +1,30 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	spendings := make([][]int, 0, 5)
+
+	spendings = append(spendings, []int{200, 100})
+	spendings = append(spendings, []int{25, 10, 45, 60})
+	spendings = append(spendings, []int{5, 15, 35})
+	spendings = append(spendings, []int{95, 10}, []int{50, 25})
+
+	for i, daily := range spendings {
+		var total int
+		for _, spending := range daily {
+			total += spending
+		}
+
+		fmt.Printf("Day %d: %d\n", i+1, total)
+	}
+}