#!/usr/bin/python
# -*- coding: UTF-8 -*-
print "Hello, Python!";
a,b,c=1,2,"hello"
print a,b,c
del a
print b,c
string="abcdefghigklmn"
print string[2:5],string[0:]
print string[-4:-1],string[-4:]
s1,s2='hello','word'
print s1*2
print s1+s2
print s1+' '+s2
raw_input("按下 enter 键退出，其他任意键显示...\n");