added resp error handling and seperate func

web.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+func loadWebPage(web_url string) ([]byte, error) {
+	resp, err := http.Get(web_url)
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+
+	//reads html as a slice of bytes
+	html, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+
+	//check response codes
+	if resp.StatusCode >= 400 && resp.StatusCode <= 499 {
+		err = fmt.Errorf("response Code: %v", resp.StatusCode)
+	}
+	return html, err
+
+}