import re
from nltk import ngrams
from collections import Counter

def tokenize(string):
    return re.findall(r'\w+', string.lower())

def tag_cloud(list, degree):
	grams = ngrams(list,int(degree))
	return (grams)

def word_counter(list):
	counts = Counter(list).most_common(10)
	print(counts)

def main():
	final = []
	filename = input('enter filename:\n')
	degree = input('please define degree:')
	with open(filename) as f:
		content = f.readlines()
	content = [x.strip() for x in content]
	final = []
	for line in content:
		lst = tokenize(line)
		tag = tag_cloud(lst, degree)
		tail = list(tag)
		final.extend(tail)
	unque = set(final)
	word_counter(final)