code: def list_functions(awsclient):
      
      client_lambda = awsclient.get_client('lambda')
      response = client_lambda.list_functions()
      for function in response['Functions']:
          log.info(function['FunctionName'])
          log.info('\t' 'Memory: ' + str(function['MemorySize']))
          log.info('\t' 'Timeout: ' + str(function['Timeout']))
          log.info('\t' 'Role: ' + str(function['Role']))
          log.info('\t' 'Current Version: ' + str(function['Version']))
          log.info('\t' 'Last Modified: ' + str(function['LastModified']))
          log.info('\t' 'CodeSha256: ' + str(function['CodeSha256']))
  
          log.info('\n')
      return 0
docs: List the deployed lambda functions and print configuration.
  
      :return: exit_code