new_contents: #Pass in a photo url to the script and it performs 5 label detection on the photo.
  
  import sys
  import argparse
  import io
  
  from google.cloud import vision
  
  
  #capture the argument passed in to script
  url=sys.argv[1]
  
  client = vision.Client()
  #pass commange line url into uri
  image = client.image(source_uri=url)
  labels = image.detect_labels(limit=5)
  
  for i in range (0,5):
    x=labels[i].description
    y=labels[i].score
    print x
    print y
  
subject: Create label_detect.py