From f0c2e76a4f783244d9fb58b08579882143f2f8ca Mon Sep 17 00:00:00 2001
From: sebastian <sebastian@maruntiel.com>
Date: Thu, 9 Nov 2023 14:14:28 +0100
Subject: [PATCH] Section10-82

---
 Section10/81.go | 22 ++++++++++++++++++++++
 Section10/82.go | 22 ++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 Section10/81.go
 create mode 100644 Section10/82.go

diff --git a/Section10/81.go b/Section10/81.go
new file mode 100644
index 0000000..1e8a601
--- /dev/null
+++ b/Section10/81.go
@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func main() {
+	numbers := []int{2, 3}
+
+	numbers = append(numbers, 10)
+	fmt.Println(numbers)
+
+	numbers = append(numbers, 20, 30, 40)
+	fmt.Println(numbers)
+
+	n := []int{100, 200}
+	numbers = append(numbers, n...)
+	fmt.Println(numbers)
+
+	src := []int{10, 20, 30}
+	dst := make([]int, len(src))
+	nn := copy(dst, src)
+	fmt.Println(src, dst, nn)
+}
diff --git a/Section10/82.go b/Section10/82.go
new file mode 100644
index 0000000..3e79671
--- /dev/null
+++ b/Section10/82.go
@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func main() {
+	a := [5]int{1, 2, 3, 4, 5}
+	b := a[1:3]
+	fmt.Printf("%v, %T\n", b, b)
+
+	s1 := []int{1, 2, 3, 4, 5, 6}
+	s2 := s1[1:3]
+	fmt.Println(s2)
+	fmt.Println(s1[2:])
+	fmt.Println(s1[:3])
+	fmt.Println(s1[:])
+
+	s1 = append(s1[:4], 100)
+	fmt.Println(s1)
+
+	s1 = append(s1[:4], 200)
+	fmt.Println(s1)
+}