title: how to find length of response list in python using request
body: <p>I'm using request library for parsing data, it returning list of json data 
  when im trying to find the length  of response list it giving error 
  <strong>TypeError: object of type 'Response' has no len()</strong>
  im using this method</p>
  
  <pre><code>  import requests
  r=requests.get('http://localhost:3000/api/Customer')
  print(r.status_code)
  print(r.text)
  
  x={}
  for i in range(0,len(r)):
      x = r.json()[i]
      print(x)
  </code></pre>
  
  <p>by using this im getting error
  <strong>TypeError: object of type 'Response' has no len()</strong></p>