Palindrome Detect

palindrome.py

#!/usr/bin/env python2
def palindrome(s):
  length = len(s)
  barrier = length / 2
  
  head2tail = (c for c in s)
  tail2head = (s[i] for i in xrange(length-1, -1, -1))
  
  for _ in xrange(barrier):
    if head2tail.next() != tail2head.next():
      return False
  return True