The Weights, Configurations and the Coco_names of the YOLOV3 algorithm can be downloaded from the following Website :- https://pjreddie.com/darknet/yolo/
I have added some images in the Repo which are just stock imgaes and can help in judging the code, simply upload the pics in your ide and you can specify the name of your file in the corresponding place and the algorithm will run process your image