code: def assets2s3():
      
      import flask_s3
  
      header("Assets2S3...")
      print("")
      print("Building assets files..." )
      print("")
      build_assets(application.app)
      print("")
      print("Uploading assets files to S3 ...")
      flask_s3.create_all(application.app)
      print("")
docs: Upload assets files to S3