from urllib.request import urlopen

from bs4 import BeautifulSoup

def getNgrams(input, n):

input = input.split(' ')

output = []

for i in range(len(input)-n+1):

output.append(input[i:i+n])

return output

html = urlopen("http://en.wikipedia.org/wiki/Python_(programming_language)")

bsObj = BeautifulSoup(html, "html.parser")

content = bsObj.find("div", {"id":"mw-content-text"}).get_text()

ngrams = getNgrams(content, 2)

print(ngrams)

print("2-grams count is: "+str(len(ngrams)))