python获取主函数参数

#!/usr/bin/env python
import sys;

if "__main__" == __name__:
        print (sys.argv);
        nLen = len(sys.argv);
        for i in range(0, nLen):
                print("argv %d:%s" %(i, sys.argv[i]));
        print("=== end of sys param first time!");


        for arg in sys.argv:
                print (arg);
        print("=== end of sys param seconde time!");