Python 练习题：统计系统剩余内存

#!/usr/bin/env python
#-*- coding:utf-8 -*-

''' 统计系统内存信息 '''  

with open('/proc/meminfo') as fd:
    for line in fd:
        if line.startswith('MemTotal'):
            MemTotal = line.split()[1]
            continue
        if line.startswith('MemFree'):
            MemFree = line.split()[1]
            break

print "总内存：%sM" % (int(MemTotal)/1024)
print "剩余内存：%sM" % (int(MemFree)/1024)