My pythonic solution to 'Lonely Integer' problem on Hacker Rank (https://www.hackerrank.com/challenges/lonely-integer)

LonelyIntegers

#!/usr/bin/py
# Head ends here
def lonelyinteger(a):
    answer = 0
    for number in a:
        answer = answer ^ number
    return answer
# Tail starts here
if __name__ == '__main__':
    a = input()
    b = map(int, raw_input().strip().split(" "))                                                                    
    print lonelyinteger(b)