seperared file funcs.

file.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"log"
+	"os"
+)
+
+func createFile(fileContents string) {
+	file, err := os.Create("weather.json")
+	if err != nil {
+		log.Fatalf("failed creating file: %s", err)
+	}
+	defer file.Close()
+
+	_, err = file.WriteString(fileContents)
+	if err != nil {
+		log.Fatalf("failed writing to file: %s", err)
+	}
+}
+
+func removeFile(file string) {
+	e := os.Remove(file)
+	if e != nil {
+		log.Fatal(e)
+	}
+}