#save this file as "palindrome.py"
#will be used as  library of functions

#Returns true if sentence is a palindrome
def palindrome(sentence):
    count = 0
    sentence = sentence.lower()
    for i in range(len(sentence)):
        if sentence[i] == sentence[-(i+1)]:
            count = count + 1
    return count == len(sentence)

#takes a string as an input,
#removes punctuation and spaces and puts all words into a single word
def one_word(sentence):
    punctuation = [",", "?", ".", " "]

    for i in range(len(punctuation)):
        sentence = sentence.replace(punctuation[i], " ")

    sentence = sentence.split(" ")
    new_sentence = ""

    for i in range(len(sentence)):
        new_sentence = new_sentence + sentence[i]

    return new_sentence