practicepython.org - palindrome.py

palindrome.py

#! /usr/bin/env python

def pali(data, word):
    for index in range(data):
        if word[index] != word[len(word)-(index+1)]:
            print('{} is not palindrome.'.format(word))
            exit(0)
    print('{} is palindrome.'.format(word))

def check(word):
    word = word.lower().replace(' ', '')
    word = word.translate(None, "!@#$%^&*()[]{};:,./<>?\|`~-=_+")
    evenhaf = len(word)/2
    oddhaf = (len(word)-1)/2

    if len(word) <= 3:
        if word[0] == word[len(word)-1]:
            print('{} is palindrome.'.format(word))

    elif len(word)%2 == 0:
        pali(evenhaf, word)

    else:
        pali(oddhaf, word)

check(raw_input("Enter some word(s) or number(s) and I'll check if it's a palindrome: "))