#Facebook Assistant#
Social networks have become an integrated part of most of us. I am one of those people who can't just quit facebook because there are few groups I don't want to miss out, few pages and people I follow.
| abacus,frame with balls for calculating | |
| abate,to lessen to subside | |
| abdication,giving up control authority | |
| aberration,straying away from what is normal | |
| abet,help/encourage smb (in doing wrong) | |
| abeyance,suspended action | |
| abhor,to hate to detest | |
| abide,be faithful to endure | |
| abjure,promise or swear to give up | |
| abraded,rubbed off worn away by friction |
| #!/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() |
