old_contents: #!/usr/bin/env python
  #
  # (C) Copyright 2012-2013 ECMWF.
  #
  # This software is licensed under the terms of the Apache Licence Version 2.0
  # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
  # In applying this licence, ECMWF does not waive the privileges and immunities 
  # granted to it by virtue of its status as an intergovernmental organisation nor
  # does it submit to any jurisdiction.
  #
  
  from ecmwfapi import ECMWFDataServer
  
  # To run this example, you need an API key 
  # available from https://api.ecmwf.int/v1/key/
  
  server = ECMWFDataServer()
  server.retrieve({
      'dataset' : "tigge",
      'step'    : "24",
      'number'  : "all",
      'levtype' : "sl",
      'date'    : "20071001",
      'time'    : "00",
      'origin'  : "all",
      'type'    : "pf",
      'param'   : "tp",
      'area'    : "70/-130/30/-60",
      'grid'    : "2/2",
      'target'  : "data.grib"
  })
  
new_contents: #!/usr/bin/env python
  #
  # (C) Copyright 2012-2013 ECMWF.
  #
  # This software is licensed under the terms of the Apache Licence Version 2.0
  # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
  # In applying this licence, ECMWF does not waive the privileges and immunities 
  # granted to it by virtue of its status as an intergovernmental organisation nor
  # does it submit to any jurisdiction.
  
  from ecmwfapi import ECMWFDataServer
  
  # To run this example, you need an API key 
  # available from https://api.ecmwf.int/v1/key/
  
  server = ECMWFDataServer()
  
  server.retrieve({
      "class": "s2",
      "dataset": "s2s",
      "date": "2015-01-01",
      "expver": "prod",
      "levtype": "sfc",
      "origin": "ecmf",
      "param": "165",
      "step": "0/to/1104/by/24",
      "stream": "enfo",
      "target": "test",
      "time": "00",
      "type": "cf",
  })
  
subject: Update example request