1. Python Basic

2. Download python Go to www.python.org and download Python 2.7.8www.python.org

3. Follow steps below 1. Search “phthon download” in google. 2. Click https://www.python.org/downloads/.https://www.python.org/downloads/ 3. Download Python 2.7.8. 4. Click “run”. 5. Click “next” in below screen.

4. 6. Click “next “. 7. Click “next”, and click “finish”.

5. Ex1: Reading specific value from web

6. 8. Open Python

7. 9. Go to 10. Go to

8. 11.Choose ‘File’ and ‘New File’

9. 12. Edit code here

10. 13. Edit below code. import urllib import re htmlfile = urllib.urlopen("http://finance.yahoo.com/q?s=AAPL") htmltext = htmlfile.read() regex = ' (.+?) ' pattern = re.compile(regex) price = re.findall(pattern, htmltext) print price After you hit enter you can see the output below. ['116.47']

11. 14. Go to and link “finance.yahoo.com” in chrome -> Block the value to be read and right click on the block-> Click “component search” -> Then, you can see the screen below. Copy the blocked code below!

12. 15. After coding is over run program as below: choose ‘run’ and click ‘Run Module’

13. Code & ouput

14. Code & output

15. Ex2: crawling web page(s) with key value

16. Type below for crawling google

17. Full code # -*- coding:utf-8 -*- import urllib2 url='http://www.google.co.kr' html=urllib2.urlopen(url).read() print(html)

18. output