python字典格式化输出

#!/usr/bin/env python
#coding=utf-8
#__author__='David Chung'

dict1={'pid':1375,'type':'cpu','resource':2048}

print "%(pid)s,%(type)s,%(resource)s" %dict1

print "{0[pid]},{0[type]}:{0[resource]}".format(dict1)

print "{pid},{type}:{resource}".format(**dict1)