python 基础

1. 循环

http://woodpecker.org.cn/abyteofpython_cn/chinese/ch06s04.html  第6章 控制流 for循环

http://www.cainiao8.com/python/basic/python_11_for.html  for循环控制语句——菜鸟的Python笔记

 

例6.3 使用for语句

#!/usr/bin/python
# Filename: for.py

for i in range(1, 5):
    print i
else:
    print 'The for loop is over'

输出

$ python for.py
1
2
3
4
The for loop is over

 

for i, row in enumerate(reader):

 

2. if elif 不是elseif

 

3. string format

a='world  {0} {1}'.format("aaa","bbb")