import re

import urllib

from bs4 import BeautifulSoup

url = "http://journals.plos.org/plosone/article?id=info%3Adoi/10.1371/journal.pone.0162069"

response = urllib.urlopen(url)

page = response.read()

soup = BeautifulSoup(page, "lxml")

# kill all script and style elements

for script in soup(["script", "style"]):

   script.extract()    # rip it out

# get text

text = soup.get_text()

# break into lines and remove leading and trailing space on each

lines = (line.strip() for line in text.splitlines())

# break multi-headlines into a line each

chunks = (phrase.strip() for line in lines for phrase in line.split("  "))

# drop blank lines

text = 'n'.join(chunk for chunk in chunks if chunk)

#print(text)

#This command will create the ouput.txt file for you.

output = open("ouput.txt","a+")

#The format of text is unicode.

output.write(text.encode("utf-8"))

output.close()