spam counter

counter.py

#!/usr/bin/python

class Filter:
    spamWords = ["bad", "giveaway"]
    def __init__(self):
        pass

    def getSpamWordsCount(self, userId, post):
        count = 0
        for s in self.spamWords:
            count += post.count(s);
        return count

    def addSpamWord(self, spam):
        self.spamWords.append(spam);

f = Filter()
print f.getSpamWordsCount(1, "this is bad bad tweet with giveaway info")
print f.getSpamWordsCount(1, "earn some money")
f.addSpamWord("earn");
print f.getSpamWordsCount(1, "this is tweet about earnings")