ChatBot AI (Refactored)

import random

def takeText():
    return input("Say sth (or type bye to quit): ").lower()

def respondAndCheck(text):
    for index in range(len(keywords)):
        if (keywords[index] in text):
            print("Bot: " + responses[index])
            return True
    return False

def appendKeywordIfDoesNotExists(exists):
    if (exists == False):
        newKeyword = input("I'm not sure how to respond... Please provide a keyword: ")
        keywords.append(newKeyword)
        newResponse = input("How I should respond to " + newKeyword + "? ")
        responses.append(newResponse)

greetings = ["Hello", "What's up?", "Howdy!"]
goodbyes = ["Bye!", "Goodbye!", "See you soon!"]

keywords = ["music", "pet", "book"]
responses = ["music is relaxing!", "pets are so sweet!", "books are interesting!"]

print("Bot: " + random.choice(greetings))

while (1):
    text = takeText()
    if (text == "bye"):
        break
    exists = respondAndCheck(text)
    appendKeywordIfDoesNotExists(exists)

print(random.choice(goodbyes))