python 笔记
range(起始数,结束数,间隔)
range(0,101,10)
0 10 20 30 40 50 60 70 80 90 100
结束数不会被返回
for x in range(0,101,10): print x, 'hello world'
0 hello world
10 hello world
20 hello world
30 hello world
40 hello world
50 hello world
60 hello world
70 hello world
80 hello world
90 hello world
100 hello world