old_contents: #!/usr/bin/env python2.7
  # -*- coding: utf-8 -*-
  
  # The MIT License (MIT)
  
  # Copyright (c) 2014 Zhassulan Zhussupov
  
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  from tinypng_api import TinypngApi
  
  my_api_key = 'Your API key'
  api = TinypngApi(my_api_key)
  api.shrink()
  
new_contents: #!/usr/bin/env python2.7
  # -*- coding: utf-8 -*-
  
  # The MIT License (MIT)
  
  # Copyright (c) 2014 Zhassulan Zhussupov
  
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  from tinypng_api import TinypngApi
  from optparse import OptionParser
  
  
  usage = "%prog [options]\n\n"
  usage += "Command-line tool for downloading shrink images by from https://www.tinypng.com\n"
  usage += "Copyright (c) 2014 Zhussupov Zhassulan zhzhussupovkz@gmail.com\n"
  usage += "While using this program, get API key from https://www.tinypng.com"
  option_parser = OptionParser(usage=usage, version="%prog 1.0")
  option_parser.add_option("-i", "--input", help = "input file", default = "python.png")
  option_parser.add_option("-o", "--output", help = "output file", default = 'python-output.png')
  (options, args) = option_parser.parse_args()
  
  my_api_key = 'Your API key'
  api = TinypngApi(my_api_key)
  api.shrink(input = options.input, output = options.output)
  
subject: add command line options