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Chapter 11

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	`1`	`+# Downloads every single XKCD comic.`
	`2`	`+`
	`3`	`+import os`
	`4`	`+import requests`
	`5`	`+import bs4`
	`6`	`+`
	`7`	`+url = 'http://xkcd.com' # Starting url`
	`8`	`+os.makedirs('xkcd', exist_ok=True) # Store comics in ./xkcd`
	`9`	`+`
	`10`	`+while not url.endswith('#'):`
	`11`	`+ # Download the page`
	`12`	`+ print('Downloading page %s...' % url)`
	`13`	`+ res = requests.get(url)`
	`14`	`+ res.raise_for_status()`
	`15`	`+`
	`16`	`+ soup = bs4.BeautifulSoup(res.text, "html.parser")`
	`17`	`+ comicElem = soup.select('#comic img')`
	`18`	`+ if not comicElem:`
	`19`	`+ print('Could not find the comic image.')`
	`20`	`+ else:`
	`21`	`+ comicUrl = 'http:' + comicElem[0].get('src')`
	`22`	`+ # Download the image`
	`23`	`+ print('Downloading image %s...' % comicUrl)`
	`24`	`+ res = requests.get(comicUrl)`
	`25`	`+ res.raise_for_status()`
	`26`	`+ imageFile = open(os.path.join('xkcd', os.path.basename(comicUrl)), 'wb')`
	`27`	`+ for chunk in res.iter_content(100000):`
	`28`	`+ imageFile.write(chunk)`
	`29`	`+ imageFile.close()`
	`30`	`+`
	`31`	`+ # Get the Prev button's url.`
	`32`	`+ prevLink = soup.select('a[rel="prev"]')[0]`
	`33`	`+ url = 'http://xkcd.com' + prevLink.get('href')`
	`34`	`+`
	`35`	`+print('Done.')`

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	`1`	`+#! python3`
	`2`	`+# Opens several Google search results.`
	`3`	`+`
	`4`	`+import requests`
	`5`	`+import webbrowser`
	`6`	`+import bs4`
	`7`	`+import sys`
	`8`	`+`
	`9`	`+print('Googling...')`
	`10`	`+res = requests.get('http://google.com/search?q=' + ' '.join(sys.argv[1:]))`
	`11`	`+`
	`12`	`+res.raise_for_status()`
	`13`	`+`
	`14`	`+# Retrieve top search result links.`
	`15`	`+soup = bs4.BeautifulSoup(res.text, "html.parser")`
	`16`	`+`
	`17`	`+# Open a browser tab for each result.`
	`18`	`+linkElems = soup.select('.r a')`
	`19`	`+numOpen = min(5, len(linkElems))`
	`20`	`+for i in range(numOpen):`
	`21`	`+ webbrowser.open('http://google.com' + linkElems[i].get('href'))`

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	`1`	`+#! python3`
	`2`	`+# mapIt.py - Launches a map in the browser using an address from the`
	`3`	`+# command line or clipboard.`
	`4`	`+`
	`5`	`+import webbrowser`
	`6`	`+import sys`
	`7`	`+import pyperclip`
	`8`	`+`
	`9`	`+if len(sys.argv) > 1:`
	`10`	`+ # Get address from command line.`
	`11`	`+ address = ' '.join(sys.argv[1:])`
	`12`	`+else:`
	`13`	`+ # Get address from clipboard.`
	`14`	`+ address = pyperclip.paste()`
	`15`	`+`
	`16`	`+webbrowser.open('https://www.google.com/maps/place/' + address)`
	`17`	`+`

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