code: def execute(helper, config, args):
      
      envs = config.get('app', {}).get('environments', [])
      out("Parsed environments:")
      for name, conf in list(envs.items()):
          out('\t'+name)
      envs = helper.get_environments()
      out("Deployed environments:")
      for env in envs:
          if env['Status'] != 'Terminated':
              out('\t'+str(env['EnvironmentName'])+' ('+str(env['Status'])+', '+str(env['CNAME'])+')')
docs: Lists environments