input: Write a python function to parse arguments and return the fixture and fixture_folder values.
  assert parse_args(['--fixture', 'test.json', '--fixture_folder', 'test/fixtures']).fixture == 'test.json'
  assert parse_args(['--fixture', 'test.json', '--fixture_folder', 'test/fixtures']).fixture_folder == 'test/fixtures'
  assert parse_args([]).fixture == 'properties.json'
  assert parse_args([]).fixture_folder == 'models/fixtures'
output: def parse_args(args):
      import argparse
  
      parser = argparse.ArgumentParser()
      parser.add_argument('--fixture', default='properties.json')
      parser.add_argument('--fixture_folder', default='models/fixtures')
      
      parsed_args = parser.parse_args(args)
      
      return parsed_args