def count_words(text, words): text2 = "" for x in range(len(text)): text2 = text2 + text[x].lower() print(text2) z = 0 for x in range(len(words)): if words[x] in text2: z = z + 1 print(z) return z count_words("How AREredvsdvsdv you?",("how", "are", "you", "hello"))