Add files

.gitignore

+*.exe
+hello*
\ No newline at end of file

go.mod

+module testcode/hello
+
+go 1.14

showHello.go

+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+const WHOM = "Ling"
+func main() {
+	for i:=0;i<10;i++{
+		fmt.Println("Hello ", WHOM)
+		time.Sleep(5 * time.Second)
+	}
+}
+