import requests
from bs4 import BeautifulSoup
import operator

def start(url):
    word_list = []
    source_code = requests.get(url).text
    soup = BeautifulSoup(source_code)
    for post_text in soup.findAll('a', {'class': 'color_0077'}):
        content = post_text.string
        words = content.lower().split()
        for each_word in words:
            print(each_word)
            word_list.append(each_word)

start('http://www.mangahere.co/manga/boku_no_hero_academia/')
