Merge branch 'command_line_use' of https://github.com/Aashna-Agrawal/golang-examples into command_line_use

Author: AashnaAgrawal

advanced/command_line_arguments.go

@@ -8,6 +8,7 @@ import (
 func main() {
 	env := flag.String("env", "dev", "Environment(dev, qa, stg, prod)")
 	cron := flag.Bool("consumer", false, "boolean")
+	//Parse parses the command-line flags
 	flag.Parse()
 	fmt.Println("The environment set is", *env)
 	fmt.Println("The consumer flag retrieved from command line is", *cron)