Merge pull request #169 from Vishal19111999/master

added linear search in golang

linear_search/linear_search.go

@@ -0,0 +1,23 @@
+package main
+
+import "fmt"
+
+func linear_search (size int, key int, arr []int) string{
+
+	for i := 0; i < size; i++ {
+    	if arr[i]==key{
+			return "found"
+		}
+	}
+
+	return "not found"
+
+}
+
+func main() {
+
+	arr := []int{1, 2, 3, 4, 5}
+	ans := linear_search(5,2,arr)
+	fmt.Println(ans)
+
+}