add: exercises and quiz for appending and slicing

16-slices/exercises/10-append-sort-nums/main.go

@@ -0,0 +1,38 @@
+package main
+
+// ---------------------------------------------------------
+// EXERCISE: Append and Sort Numbers
+//
+//  We'll have a []string that should contain numbers.
+//
+//  Your task is to convert the []string to an int slice.
+//
+//  1. Get the numbers from the command-line
+//
+//  2. Append them to an []int
+//
+//  3. Sort the numbers
+//
+//  4. Print them
+//
+//  5. Handle the error cases
+//
+//
+// EXPECTED OUTPUT
+//
+//  go run main.go
+//    provide a few numbers
+//
+//  go run main.go 4 6 1 3 0 9 2
+//    [0 1 2 3 4 6 9]
+//
+//  go run main.go a b c
+//    []
+//
+//  go run main.go 4 a 1 c d 9
+//    [1 4 9]
+//
+// ---------------------------------------------------------
+
+func main() {
+}