#!/usr/bin/env Python from __future__ import print_function from collections import OrderedDict def meminfo():     ''' Return the information in /proc/meminfo     as a dictionary '''     meminfo=OrderedDict()     with open('/proc/meminfo') as f:         for line in f:             meminfo[line.split(':')[0]] = line.split(':')[1].strip()     return meminfo if __name__=='__main__':     #print(meminfo())     meminfo = meminfo()     print('Total memory: {0}'.format(meminfo['MemTotal']))     print('Free memory: {0}'.format(meminfo['MemFree']))